The director needs to be aware of the stage composition:

The director needs to be aware of the stage composition:
 
  a. not merely to create beautiful stage pictures, but also to form images that convey the situation, emotional content, and character relationships.
 b. NEITHER to create beautiful stage pictures, or to form images that convey the situation, emotional content, and character relationships, NOR consider the changes needed when moving from the proscenium to the thrust stage.
 c. not merely to create beautiful stage pictures, but also to form images that convey the situation, emotional content, and character relationships AND also consider a change from the proscenium to the thrust stage.
 d. when moving from the proscenium to the thrust stage.