Focus- How an actor directs their attention and energy within their performance. It relates to theri concentration and ability to maintain character and energy.
Actors can focus on: other actors, the audience, specific space on the stage or anything. How focus changes in a performance can also have an impact on their performance. Actors also guide the audience focus.
Timing - This relates to the pace of a performance, and relates strongly to the dramatic element of Rhythm. It can be used to build or allay tension, be used to create comic moments or demonstrate an ensemble in synch, or out of synch.
Energy - While energy should always be present in a performance, how it ebbs and flows affects the dramatic impact and meaning of a scene. Energy can create: tension, pathos, humour, conflict and many other affects depending on how it is used. Sometiems energy might build as tension builds towards a climax, and then setlle down as a story resolves.
Actor-Audience Relationship - How this relationship is built and manipulated is central to the dramatic impact of a performance. Where actors are placed relative to the audience, how they direct their focus, how the respond to or (sometimes) address or even interact with the audience. Certain theatrical conventiosn such as asides or direct audience address involve manipulating this relationship in a very conscious and intentional way.