Default UI Menu: Modify/Properties
Ribbon UI Menu:
An object's Properties window consists of a series of categories, each on its own page. There are categories that are common to all objects: General, Pen, 3D, Luminance, Brush (for 2D objects) and Custom - these are all described in this section.
Properties relating to 3D, either for a standard 3D object such as a sphere or box, or for a 2D object made into 3D by assigning it a thickness.
Light properties of objects, which is different than the lights contained in the overall model.
Attributes you can add to objects via the database.
Properties related to material for the 3D objects. They are not enabled for 2D objects.