Glossary

Term	Meaning
Controller	A component that turns XR controller input such as a button press into interaction events like hover, or select. Also provides a way to show controller models and send haptic feedback to the controller.
Object	Anything that the user sees or interacts with in the virtual world.
Interactor	An object in a scene that can select or move another object in that scene.
Interactable	An object in a scene that the user can interact with (for example, grab it, press it, or throw it).
Hover	The state where an Interactor is in a valid state to interact with an object. This differs between Ray and Direct interaction.
Select	The state where an Interactor is currently interacting with an object.
Interaction Manager	A manager component that handles interaction between a set of Interactors and Interactables.
Gesture	Sequences of movements that translate into an action that manipulates an interactable.
Annotation	A piece of content placed above (or next to) an AR object to give users information and context.
Haptic	Sensory or visual stimuli that is sent to the user to give feedback for interaction.
XR Origin	Formerly XR Rig, this serves as the center of tracking space in an XR scene.