The term 'PART OF AN ACT' can be broken down into five crossword solutions: SCENE (5 letters), SCENEI (6 letters), SCENET (6 letters), SCENETWO (8 letters), and SCENETHREE (10 letters). A SCENE is a part of a play, movie, or other performance that takes place in one location and usually consists of a single episode. SceneI, SceneT, SceneTWO, and SceneTHREE are all variations of the same word, with the numbers indicating the order in which they appear in the performance.