You can apply a material to individual faces and
objects or to objects on a layer.
To apply a
material to an object or a face (a triangular or quadrilateral
portion of a surface object), you can drag the material from a tool
palette onto the object. The material is added to the drawing, and
it is also displayed as watch in the Materials window.
When you create or modify a material in the Materials window,
Drag the material swatch directly onto objects in your
Drag the material swatch onto the active tool palette to create
a material tool.
Apply a material to objects by layer (MATERIALATTACH). The
material is applied to all objects on the layer whose Material
property is set to BYLAYER (the default).
Assign a material to an object by clicking the Apply Materials
to object button in the Materials palette.