A large room or hall where people gather to hear speakers or view performances

• audience
• auditorium
• audible
• vision

loud or clear enough to be hear; capable of being heard

• audible
• audience
• audiologist
• audiovisual

listeners or viewers at a theater or concert

• audience
• audiologist
• audiovisual
• auditory

auditory is:

• relating to the sound that is heard on a recording or broadcast
• the most popular song on the radio
• the sense of hearing, or the organs of hearing.
• a large room or building where people gather

the state of being able to see

• visor
• supervise
• visitor
• vision

not being able to see

• vision
• invisible
• visor
• visitor

To alter something already written or printed, in order to make corrections, improve, or update.

• revise
• reverse
• vision
• visor

A person who visits, as for reasons of friendship, business, duty, travel, or the like.

• vista
• visitor
• vision
• visible

The transmission of programming, in the form of still or moving images, via radio waves, cable wires, satellite, or wireless network to a receiver or other screen.

• television
• visitor
• visor
• visible

Tryouts held for performers who want to be considered for roles in a production.

• blocking
• audition
• audience
• technica