Shading is showing the objects' roundness or shape; shade is the blocking of a light source; and shadow is the variation between black and white with the darkest part at the center and the 'shadow' fades at the edges.
Texture is the feel, appearance, or consistency of a surface. Artists use texture to add depth, interest, or balance to different areas of their artwork. ... Use of rough and smooth texture can help craft an artist's vision. Related to using texture for adding interest, it can also be used for balancing out compositions.Nov 5, 2018
Theater<span> is the correct spelling in American English. </span>