The document discusses various aspects of blocking in theater including definitions, body positions, blocking positions, blocking notation, upstaging, and ideals of effective blocking. It defines blocking as the choreography and movement of actors on stage as established by the director. It describes different body positions actors can take such as full front, profile, and three-quarter back and how they convey different levels of strength. It discusses how blocking positions relate characters to each other and the audience. Notation for blocking and concepts like upstaging and effective use of levels and diagonals are also covered.