How does observing another audience (Theseus, Hippolyta, lovers) help understand the relationship between audience and performers (rude...

When you observe a play, you may or may not understand how
well the characters know one another through the script alone. When they listen or
comment (unbenownst to the other performers), you might learn subtle insights into the
true feelings of certain characters as opposed to the feelings they express openly to
the same characters. If there is an undertone of strife or hypocrisy, you can gain
understanding through the reactions of characters who are listening in on other
characters.

I am not certain if this answers the question
you intended. Hope it helps!