Simplify the following text for a Grade 11 native English-speaking person.
Original: Less classically , stand-up comedy , oratory , debate , etc. , are also performing arts ; and the term also includes all of the various forms , subforms , elements , and variations of the foregoing , such as oral interpretation , marching band , and so on .
Simplified: Stand-up comedy , oratory , debate are also performing arts . The term also includes all of the various elements , and variations of the foregoing , such as oral interpretation , marching band , and so on .