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| *% | General note: Percentages usually refer to the amount of keys in comparison to a standard ANSI layout. | 
| 40% | A minimal keyboard layout reduced to letters and a few modifier keys. | 
| 60% | A keyboard layout consisting of just the main cluster without the numpad, function row, arrow cluster and navigation cluster. Also refers to keyboards with a compressed layout that has about the same size. | 
| 75% | A compressed keyboard layout without a numberpad. Usually has one more row and one more column in comparison to a 60%. | 
| 80% | See "tenkeyless". | 
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| A | 
| ABS | Abbreviation for acrylonitrile butadiene styrene, a common type of plastic used for keycaps. | 
| APL | A programming language that uses special symbols in its syntax. | 
| ATmega | A microcontroller that can be used as a keyboard controller. | 
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| B | 
| Battleship, battlecruiser | A keyboard bigger than full-size, often with 122 keys. | 
| BIN | Abbreviation for "buy it now". | 
| BNIB | Abbreviation for "brand new in box". | 
| BSP | BSP Europe, a keycap manufacturer. | 
| Buckling Spring [BS] | A clicky spring-over-membrane key mechanism, typically found on IBM/Lexmark/Unicomp keyboards. There is also a capacitive variant without a membrane. | 
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| C | 
| Cherry | A switch, keyboard and formerly keycap manufacturer. | 
| ClickClack [CC, Clack Factory, Clark] | GH user who makes custom keycaps; also refers to these keycaps, the most common of which features a stylised skull. | 
| CONUS | Abbreviation for Contiguous United States, referring to the 48 adjoining U.S. states between Canada and Mexico and the District of Columbia. | 
| Cooler Master Storm [CM, CM Storm] | A keyboard brand, sells keyboards such as the QFR. The gaming division of Cooler Master. | 
| Costar | A keyboard manufacturer. | 
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| D | 
| DCS | The cylindrical keycap profile used by Signature Plastics. This is the profile closest to Cherry. | 
| Deck | A keyboard brand. | 
| Deskthority [DT] | A mechanical keyboard focused forum similar to Geekhack. | 
| Diatec | Diatec is a coportation that makes power supplies, PC peripherals, and keyboards under the brand name "Filco". | 
| Dibs | Used when claiming or reserving something. | 
| Doubleshot [DS] | A method to print legends on a key. | 
| DSA | The short spherical keycap profile used by Signature Plastics. | 
| Ducky | A keyboard manufacturer. | 
| Dyesub | A method to print legends on a key. | 
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| E | 
| EliteKeyboards [EK] | Website that sells keyboards such as Leopold and Topre. Also stocks keycaps and accessories like keypullers and lube. | 
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| F | 
| Filco | A keyboard brand. | 
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| G | 
| GH | Abbreviation for Geekhack. | 
| GID | Abbreviation for "glow in the dark". | 
| GLWS [GLW*] | Abbreviation of "good luck with sale", also used with trade, buy, etc. | 
| GMK | GMK Electronic Design, a keycap manufacturer. GMK bought the old Cherry ABS molds and is producing new caps from the Cherry molds; they are new "Cherry" keycaps. | 
| Group Buy [GB] | An organized purchase by a group to reduce pricing or to reach a MOQ. | 
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| I | 
| Interest Check [IC] | A survey to get an idea if there is interest in a product or group buy. | 
| iOne | A keyboard manufacturer. | 
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| K | 
| KBDMania [kbdmania.net, kbd] | A korean mechanical keyboard focused forum similar to Geekhack. | 
| Korean custom keyboard | Refers to custom keyboards from Korea that are made in small numbers and usually come with a metal case. Depending on the model they are also programmable. | 
| KTOD | Refers to a series of threads called Keyboard Talk of the Day. | 
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| M | 
| Massdrop [MD] | A commercial vendor that organizes sales similar to group buys. | 
| MechanicalKeyboards.com [MK, MK.com] | A website that sells mechanical keyboards and keyboard accessories. | 
| Mechanical Keyboards Subreddit [/r/mech] | Subforum on Reddit focused on mechanical keyboards. | 
| Moogle Compatibility Kit [Moogle] | A set of additional keys to make a keycap set with a non-standard layout compatible for a standard ANSI layout. Here's a picture from Ovoxo that shows the keys it usually includes. | 
| MOQ | Abbreviation of "minimum order quantity". | 
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| N | 
| NIB | Abbreviation for "new in box". | 
| NOS | Abbreviation for "new old stock", unsold stock of a product that is no longer produced. | 
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| O | 
| OG | Original, abbreviation for original gangster. | 
| OP | Abbreviation for original post or poster, referring to the person who opened the thread or the first post in the thread. | 
| OnTheDesk [otd.kr, OTD] | A korean mechanical keyboard focused forum similar to Geekhack. | 
| Overclock.net [OCN] | A technology related forum. | 
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| P | 
| PBT | Abbreviation for polybutylene terephthalate, a type of plastic used for keycaps. | 
| PimpMyKeyboard [PMK] | A website from Signature Plastics. | 
| Potato [picture] | A photo with miserable quality. | 
| POM | Polyoxymethylene, a type of plastic used for keycaps. | 
| Point of sale [POS] | Used to reference cash register keyboards. | 
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| Q | 
| QuickFire Rapid [QFR] | A keyboard made by CM Storm. | 
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| R | 
| Rosewill | A keyboard brand. | 
| Rubberdome [RD] | Rubber dome over membrane switch. Used in non-mechanical keyboards. | 
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| S | 
| SA | The tall spherical keycap profile used by Signature Plastics. | 
| Shine [DSII, DS2, DSIII, DS3] | A keyboard series made by Ducky. | 
| SP | Signature Plastics, a keycap manufacturer. | 
| SSK | Abbreviation for space saving keyboard, a tenkeyless buckling-spring keyboard originally from IBM. | 
| Stabilizers [Stabs] | A mechanism that enables pressing down large keys without hitting their center. | 
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| T | 
| Teensy | A small development board that is often used as a keyboard controller. | 
| Tenkeyless [TKL, 80%] | A keyboard layout without a numpad. | 
| TG3 Electronics | An input device manufacturer that is also the parent company of Deck. | 
| Tsangan Compatibility Kit [Tsangan] | A set of additional keys to make a keycap set compatible with non-standard layouts. Here's a picture from Hashbaz that shows the keys it usually includes. | 
| TW | Abbreviation for "testing waters", synonym for an interest check. | 
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| W | 
| WASD Keyboards | A keyboard and keycap manufacturer. | 
| Windown 98 [Memphis] | An operating system by Microsoft. | 
| Winkeyless [WKL] | A keyboard layout without Windows and menu keys, featuring larger Ctrl and Alt keys. | 
| WTS [WT*] | Abbreviation of "want to sell", also used with trade, buy, etc. | 
| WTTF | Abbreviation of "want to trade for". | 
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| Y | 
| Year of the Bull [YotB] | A keyboard by Ducky released 2009. | 
| Year of the Dragon [YotD] | A TKL backlit keyboard by Ducky with black case and new backlighting modes, released 2012. | 
| Year of the Rabbit [YotR] | A full size non-backlit keyboard by Ducky with a white case and PBT keycaps, released 2011. | 
| Year of the Snake [YotS] | A full size backlit keyboard by Ducky with an aluminium case top and a snake space bar, released 2013. | 
| Year of the Tiger [YotT] | A full size non-backlit keyboard by Ducky with a black case and PBT keycaps, released 2010. |