How do collective nouns differ from plural nouns

Based on how the stage directions are used in this excerpt from act 1 scene 1 of richard iii what was likely the main purpose of providing stage directions in drama

Match the term to the correct example. 1. allusion juliet: else would i tear the cave where echo lies, / and make her airy tongue more hoarse than 2. imagery chorus: that fair for which love groan’d for and would die, / with tender juliet match’d, is now not fair. 3. personification friar laurence: therefore love moderately; long love doth so; / too swift arrives as tardy as too slow. 4. foreshadowing romeo: the brightness of her cheek would shame those stars / as daylight doth a lamp.

Whos a good poet to listen to? i got back into shane koyczan and i'm wondering if anything else is out there.