The easiest way to find out is to enter the word sings and then look for its use in stage directions. Browse through these passages and decide if the play suggests that the sea is simply a body of water or if the sea has other, metaphoric associations. Next, go back out and look at sea imagery in all of the plays. Press the F4 key and choose number 1. That will show you a list of frequencies.
Disguise is also akin to acting in a drama or plain old playing.
As part of this question, you might consider the role of the Fool, who is in a sense outside this social hierarchy. An important image pattern is the one associated with fools, especially professional fools or jesters like Feste. Again, use the F4 key to check the frequency with which the terms are used. Decide if that word pattern is peculiar to TN . Go back to the word list.