Every PC gaming guide assumes you already know what half its words mean. A benchmark says a card is “CPU-bound at 1440p with DLSS off,” a forum thread argues “64-tick versus sub-tick,” and a keyboard listing brags about “rapid trigger” like you already know what it buys you. Most glossaries don’t help — they’re either a wall of hardware specs with no mention of ping, or a slang dictionary with no mention of VRAM.
This one covers all of it: hardware, display settings, peripherals, the network terms that decide whether multiplayer feels fair, and the genre and community words in every patch note. It’s grouped by what you’re actually about to do, not the alphabet — jump to the section that matches your next move, or start with the terms below that unlock the rest.
The 10 Terms to Learn First
If you only learn ten words from this page, make it these — everything else builds on them.
- FPS — the number everything else on this list gets measured against.
- Refresh Rate (Hz) — caps how much of that FPS you can actually see.
- Resolution — changes how hard your GPU has to work to hit a given FPS.
- GPU — the component that renders your frames.
- CPU — the component that feeds your GPU work to render.
- Bottleneck — what happens when the CPU and GPU above are badly mismatched.
- VRAM — run out of it and FPS collapses regardless of how strong your GPU is.
- Ping — decides whether multiplayer feels instant or delayed.
- DPI — the first setting you’ll touch on any new gaming mouse.
- Patch — why the “meta” and item stats keep changing under you.
Verified against 2026 hardware and software: DLSS 5’s frame generation, CS2’s 64-tick sub-tick servers, and Hall-effect/rapid-trigger keyboards are all recent enough that older glossaries skip them entirely. Treat exact figures like tick rates and polling-rate ceilings as current for 2026, not permanent — they move as hardware and game engines change.
Which Terms to Learn First, Based on What You’re Doing
The same 50+ terms matter differently depending on what you’re actually trying to do right now — buying hardware needs different vocabulary than tuning a competitive setup.
| If you’re… | Focus on these terms first | Why |
|---|---|---|
| Buying or upgrading a PC | GPU, CPU, VRAM, RAM, SSD/NVMe, Bottleneck, PSU, TDP | These map directly onto spec sheets and price tags |
| New to online multiplayer | Ping, Latency, Matchmaking, MMR/Elo, Crossplay, Netcode | These explain why some lobbies feel unfair and others don’t |
| Chasing every competitive edge | DPI, Polling Rate, Input Lag, Actuation Point, Rapid Trigger, Tick Rate, 1% Lows | These are what competitive players actually argue about, not what marketing pushes |
| Following patch notes and community discussion | Meta, Nerf/Buff, Patch, RNG, Loadout, Mod, DLC, Early Access | Every patch note and forum thread assumes you already know these |
Performance & Display Terms
FPS and refresh rate only help you together. FPS measures how fast your PC renders frames to the screen; 60 FPS is generally the practical floor for PC gaming [1]. Refresh rate is how many times per second your monitor can draw a new image, in Hz — a 144Hz display refreshes 144 times a second [2]. Feed that monitor only 30 FPS and you waste 114 of its own refreshes every second [2]; the reverse wastes FPS your monitor can’t display. Our refresh rate guide covers how to match the two.
| Term | What It Means |
|---|---|
| FPS (Frames Per Second) | How many frames your PC renders and displays every second [1] |
| Refresh Rate (Hz) | How many times per second your monitor redraws the image [2] |
| Resolution (1080p / 1440p / 4K) | The pixel count your GPU renders each frame at; 1080p to 4K roughly quadruples the GPU’s workload for the same scene |
| V-Sync | Forces your GPU to wait for the monitor’s refresh cycle to prevent screen tearing, at the cost of extra input lag |
| G-Sync / FreeSync (VRR) | Variable refresh rate tech that lets the monitor match the GPU’s output frame-by-frame instead of tearing; G-Sync is NVIDIA’s proprietary version, FreeSync is AMD’s open-standard one [3] |
| Ray Tracing | A rendering method that traces how light rays actually bounce around a scene for realistic reflections and shadows, instead of faking them |
| DLSS / FSR / XeSS | AI upscaling that renders at a lower resolution and reconstructs a higher-resolution image to boost FPS — DLSS is NVIDIA’s version, FSR is AMD’s (works on any GPU), XeSS is Intel’s [4] |
| HDR (High Dynamic Range) | A wider range of brightness and colour than standard displays show, so highlights and shadows both keep detail |
| Anti-Aliasing | Smooths jagged “staircase” edges on angled lines in a rendered image, at some cost to performance |
| Frame Time / 1% Lows | How consistently, not just how often, frames arrive — 120 FPS with rough 1% lows can feel worse than 90 FPS with smooth ones, since one slow frame reads as a stutter even if the average barely moves |
See our DLSS vs. FSR vs. XeSS comparison and G-Sync vs. FreeSync breakdown if you’re deciding between them.
Hardware Terms
Bottleneck is the most misunderstood term here — it isn’t a defect, it’s physics. A bottleneck is whichever component’s maximum capability is lower than the part it’s paired with [5]: a GPU that outpaces its CPU sits idle waiting; a CPU that outpaces its GPU has its work queue up instead [5]. Neither matters unless the mismatch is large. Our bottleneck guide covers how to spot one on your own system.
| Term | What It Means |
|---|---|
| CPU | The processor that runs game logic and feeds instructions to your GPU; matters most at lower resolutions where the GPU isn’t the limiting factor |
| GPU | The graphics card that renders frames; matters most at higher resolutions and settings |
| VRAM | Memory built into your GPU that holds textures and rendered data — run out, and performance collapses even on an otherwise capable card |
| RAM | System memory the whole PC shares, not just the GPU; too little forces games to fall back on much slower storage |
| SSD / NVMe | Flash-based storage with no moving parts; cuts load times dramatically versus a spinning hard drive by avoiding mechanical seek time |
| Motherboard / Chipset | The board everything else plugs into; the chipset determines what CPUs, RAM speeds, and expansion features it supports |
| PSU (Power Supply) | Converts wall power to what your components use; a weak or low-quality unit causes instability under load, not just a failure to boot |
| TDP (Thermal Design Power) | The heat a component is rated to produce under sustained load — a rough guide to how much cooling it needs, not its exact power draw |
| Overclocking | Running a component faster than its factory-rated speed for more performance, at the cost of more heat and power draw |
| Bottleneck | Whichever component’s ceiling is lower drags the rest of the system down to its pace [5] |
| RGB | Per-key or per-zone customizable lighting; cosmetic only, no performance effect |
Our VRAM guide, SSD vs. HDD breakdown, and GPU overclocking walkthrough go deeper on the terms that affect a purchase decision.
Input & Peripheral Terms
DPI and polling rate get confused constantly, but they’re different measurements. DPI is sensor sensitivity — how far the cursor moves per inch of physical movement [6]. Polling rate is how often the mouse reports its position, in Hz; a 1000Hz mouse reports every millisecond versus every 8ms at 125Hz [6]. Neither one fixes the other. Our polling rate guide and mouse buying guide go deeper.
| Term | What It Means |
|---|---|
| DPI (Dots Per Inch) | Mouse sensor sensitivity — higher DPI moves the cursor further per inch of physical movement [6] |
| Polling Rate | How often your mouse or keyboard reports its position/state to the PC, in Hz — a higher polling rate means less reporting delay [6] |
| Input Lag | The total delay between your physical action and its result appearing on screen, stacked from your peripheral, your PC, and your monitor |
| Actuation Point | The exact distance a key must travel before it registers as pressed on a mechanical or Hall-effect keyboard |
| Rapid Trigger | A Hall-effect keyboard feature that resets a key the instant you start releasing it, instead of a fixed reset point, letting you re-press mid-motion [7] |
| Macro | A single button press or keystroke that triggers a pre-recorded sequence of inputs |
Network & Multiplayer Terms
Ping, latency, and tick rate get used interchangeably, but they’re separate links in the same chain. Ping is the round-trip delay between you and the server [8]. Latency is the fuller picture: ping plus the delay your own peripherals and display add. Tick rate is how often the server updates the game world — CS2’s official servers run a fixed 64 ticks per second [9]. A low ping means little if the server’s own tick rate is slow. Our guides to lowering ping and reducing input lag cover what’s actually in your control.
| Term | What It Means |
|---|---|
| Ping | Round-trip delay between you and the game server, in milliseconds; as a rough guideline, 20-50ms is a realistic good target for most online games [8] |
| Latency | The full input-to-screen delay, including ping plus your own hardware’s processing and display time |
| Tick Rate | How many times per second a game server updates and processes the world; CS2 runs official servers at 64 tick [9] |
| Packet Loss | Data that never arrives at the server or back to you, causing rubber-banding and skipped actions — often worse than moderately high ping |
| Matchmaking | The system that pairs you with opponents or teammates, usually by skill rating and/or connection quality |
| MMR / Elo | A hidden numeric skill rating matchmaking uses to try to pair you with players of similar ability |
| Crossplay | The ability to play with people on different platforms (PC, console) in the same match or server |
| Dedicated Server | A server run independently of any player’s own connection, as opposed to one player’s PC hosting the match |
| Netcode | The underlying system a game uses to synchronize player actions across the network; good netcode hides latency better than bad netcode at the same ping |
Game Design & Genre Terms
These are the words you’ll hit in patch notes, forum threads, and every “best build” guide, regardless of which game you’re playing.
| Term | What It Means |
|---|---|
| FOV (Field of View) | How much of the game world is visible on screen at once, in degrees; wider FOV shows more but can distort edges |
| Hitbox | The invisible shape a game uses to detect whether an attack connected; doesn’t always match the visible model exactly |
| Aim Assist | Automatic help nudging your aim toward a target, common on controllers to offset their lower precision versus a mouse |
| Meta | The strongest current strategies, builds, or characters as decided by the community and balance patches; shifts with every patch |
| Nerf / Buff | A patch that weakens (nerf) or strengthens (buff) something to keep the meta from being dominated by one option |
| Patch | An update that changes balance, fixes bugs, or adds content; distrust any “best build” guide older than the latest one |
| DLC (Downloadable Content) | Paid or free additional content released after a game’s launch, separate from the base game |
| Early Access | A game sold and playable before it’s finished, with the expectation that it keeps changing based on feedback |
| Grinding | Repeating the same activity to accumulate currency, experience, or gear, rather than for the activity itself |
| RNG (Random Number Generation) | The randomness system behind loot drops, critical hits, and other unpredictable outcomes |
| Cooldown | The forced wait time before you can use an ability or item again |
| Respawn / Spawn | Respawn: reappearing after being defeated. Spawn: the location or moment something appears |
| Loadout | Your selected set of weapons, abilities, or equipment for a match or run |
| Roguelike / Roguelite | Runs that end in permanent death, with some (not full) progress carrying over between runs |
| MOBA | Multiplayer Online Battle Arena — team-based games built around lanes, objectives, and character abilities |
| Battle Royale | A last-player-standing genre where a shrinking safe zone forces players into conflict over time |
| Sandbox / Open World | Explore and approach objectives in a non-linear order, rather than a fixed level sequence |
| Mod | Community-created content or code that alters or extends a game beyond what the developer shipped |
| Loot | Items dropped by enemies, containers, or events — often the entire point of a grinding session |
Community & Platform Terms
| Term | What It Means |
|---|---|
| Launcher | The application (Steam, Epic Games Store, Battle.net) that installs, updates, and starts your games |
| Cloud Gaming | Streaming a game rendered on a remote server rather than run on your own hardware; performance depends on your internet, not your PC |
| Cross-Progression | Your save data and unlocks carrying over between platforms, distinct from crossplay, which is about playing together, not syncing progress |
| Clutch | Winning a round or match from a position that looked lost, usually as the last player alive on your team |
| Smurf | An experienced player using a new or secondary account to play against lower-skilled opponents than their real rank |
| GG | “Good game” — said at the end of a match regardless of outcome, as a basic sportsmanship convention |
Frequently Asked Questions
Do I need DLSS, or is FSR just as good?
Depends on your GPU. DLSS 5 has the edge and adds AI frame generation on top of upscaling [4], but only runs on NVIDIA cards. FSR runs on any GPU and has closed most of the visual gap. Own NVIDIA? DLSS is the better tool. Don’t? FSR isn’t a downgrade — it’s your only real option, and a good one.
Is G-Sync worth paying more for than FreeSync?
Usually not anymore. G-Sync’s proprietary hardware made performance consistent across every certified monitor, but that consistency carries a licensing premium FreeSync doesn’t [3]. A well-reviewed “G-Sync Compatible” FreeSync monitor delivers the same tear-free result for less — pay the premium only if you specifically want NVIDIA’s own certification testing.
Does higher DPI make you more accurate?
No. DPI only changes how far the cursor travels per inch of movement [6]; it doesn’t improve precision. Most competitive players settle on comparatively low DPI (400-1600) with a large mousepad, because fine motor control at low sensitivity beats fast, imprecise flicks at high sensitivity.
Is CS2’s 64-tick actually worse than 128-tick?
More nuanced than the number suggests. Sub-tick timestamps your input at the exact moment it happened instead of rounding to the next server tick [9], fixing the quantization problem that made 64-tick feel worse than 128-tick in the older engine. The simulation still only updates 64 times a second, so the debate isn’t fully settled — but the felt difference is smaller than the raw number implies. (For storage: the jump that matters is HDD to any SSD, not SATA vs. NVMe — see our SSD vs. HDD breakdown before paying extra for NVMe.)
What ping counts as “good”?
As a rough guideline, 20-50ms is a realistic target for most online games, with competitive shooters wanting well under 30ms and MMORPGs tolerating up to 100-150ms [8]. The same ping number feels different across games, since tick rate and netcode quality matter as much as raw connection speed — treat these as a starting point, not a hard rule.
Sources
- Corsair. What is FPS? Corsair Explorer
- Intel. What Is Refresh Rate and Why Is It Important? Intel Gaming Resources
- ViewSonic. G-Sync vs. FreeSync Explained. ViewSonic Library
- NVIDIA. DLSS Technology. NVIDIA GeForce
- Intel. What Is Bottlenecking My PC? Intel Gaming Resources
- How-To Geek. Mouse DPI and Polling Rates Explained: Do They Matter for Gaming?
- Wooting. Rapid Trigger. Wooting
- CheckPing. What Is a Good Ping for Gaming? CheckPing Blog
- CSDB. What Is the Tick Rate for CS2? CSDB.gg
I've been playing video games for over 20 years, spanning everything from early PC titles to modern open-world games. I started Switchblade Gaming to publish the kind of accurate, well-researched guides I always wanted to find — built on primary sources, tested in-game, and kept up to date after patches. I currently focus on Minecraft and Pokémon GO.