Is "i had no utter knowledge" a correct use of the word utter?

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

For the module essay you will write four paragraphs. • in paragraph 1, state one theme a reader can find in twelfth night and explain why it is good advice for the characters in the story • in paragraph 2, describe an event in the play, and explain how one of the characters' actions illustrates the theme • in paragraph 3. describe another event in the play, and explain how one of the characters' actions illustrates the theme • in paragraph 4. restate the theme, and explain why it is good advice for the reader and ons and you may write about either of the following themes (choose only one) • true love with a little from fortune triumphs over man's folly • troubles come and go don't take things too seriously

In the song mallam sile sings in lines 113 through 130 the knife probably represents