The order of the writing process is: Prewriting, Drafting, Revising, Editing, and Publishing. So the answer would be Drafting.
A long exposition differs from a typical stage direction because a stage direction is usually brief. An exposition, however, goes into more detail. A stage direction also just usually tells the setting or where or what the character is doing, or how the stage looks. An exposition shows history and goes full out on the setting.
No you should refer to the scene and act number of the play so that everyone knows exactly what part you talking or writing about
