Community:Terminology

Template:Noticebox/community This article contains a list of terms, abbreviations, and slang commonly used by users on VRChat.

Terms	Explanation
FBT	Abbreviation for Full Body Tracking. FBT is defined as anything that adds the ability to track, at minimum, hips and feet.
Inv	Short for “Invite” in the context of invites. Such as “inv me” meaning “invite me.”
Kitbashing	A method of creating models, especially avatars, from a myriad of assets from various sources. The term comes from real-world scale model making.
OSC	A protocol to allow devices and applications to communicate with each other. This can be used in VRChat to do a myriad of things. See the VRChat Documentation for more information.
Physbones	A feature in VRChat that allows a way to add jiggle physics to avatars, and many other things. See the VRChat Documentation for more information.
Prefab	A premade asset made to be used on avatars or in worlds, such as GoGo Loco by Franada or VRCBilliards: Community Edition.
Quest	Refers to the Meta Quest headset.
Req	Short for “Request” in the context of invites. Such as “req off of me” meaning “request an invite off of me.”
SDK	“SDK” is short for Software development kit, it's a collection of tools that allow people to develop software for certain platforms. The VRChat SDK is what is used to create worlds and avatars in VRChat.
Shader	In Unity, a shader is a program that contains instructions on how to render materials. These are used in conjunction with materials. An example of a shader is Poiyomi's Toon Shader.
Shapekey	Also sometimes referred to as “Blendshapes”, allows for the deformation of a model for animation purposes, most often used for creating mouth movements and blinking.
Udon	VRChat's programming language and visual programmer built into the VRChat world SDK. See official documentation for further information
Unity	The game engine VRChat utilizes.