Inspector Panel

Game scene is make up of multiple game objects that contains position, size, image, sound, scripts, .etc, Inspector panel displays detailed information about your currently selected game object, including all attached Components and their properties.

Any property that is displayed in the Inspector panel can be directly modified at runtime. In a script, you can even customize the properties that need to be display in Inspector panel: Extending Inspector

Besides displaying properties for game objects, Inspector panel also can be used to preview selected asset in Project panel, Frame Animation, Asset Import, Project Setting, Plugin Manager tools, etc.