Answer:
With presentational acting, the actor acknowledges the audience. With representational acting, the audience is studiously ignored and treated as voyeurs. Conversely, the type of theatre that uses 'representational acting' in the first sense is often associated with a performer using 'presentational acting' methodology.
Explanation:
Flat characters<span> are two-dimensional that are uncomplicated and do not change throughout the course of a work. By contrast, round </span>characters<span> are complex and undergo development, sometimes sufficiently to surprise the reader</span>