Simplify the following text for a Grade 13 native English-speaking person.
Original: Speech contains nonverbal elements known as paralanguage , including voice quality , emotion and speaking style , as well as prosodic features such as rhythm , intonation and stress .
Simplified: Speech contains nonverbal elements known as paralanguage , including voice quality , rate , pitch , volume , and speaking style , as well as prosodic features such as rhythm , intonation and stress .