Sentence:  It is also a tool for communication, both to your actors and your audience, because the way in which the <WSD>groundplan</WSD> shapes the space reveals much about the how the director and designers view the possible uses of the space, its owner(s), and its purpose. The <WSD>groundplan</WSD> provides you with the opportunity to create a variety of physical relationships among the characters onstage and shapes the possible patterns of movement that the characters might follow during the action. 
Meaning of the word marked with <WSD> tags:  A diagram showing the physical layout of a set, especially the placement of structures on the stage, as opposed to items on the walls or suspended from the ceiling.