The Object List displays all objects in the 3D View available for viewing, selecting, and editing.

For example, polygonal meshes, cameras, lights, materials, curves, layers, groups, and selection sets.

Object List Icon	Object/Component
	Camera
	Polygonal Mesh
	Selection Set or Group
	Light
	Curve
	Layer
	Material
	Stencil
	Image Plane

See also Object List window menu.