Well, from my experience, it would be prewriting. Prewriting is where you come up and brainstorm ideas. Its when you scribble ideas and write out a plan on the direction that you want your paper to head to, where you would write a list or draw a picture on key points you want to hit on the paper.
Answer:
Desdemona doesn't want to admit to Othello that she lost the handkerchief because it has a lot of sentimental value and she feels horrible that she lost it.
I hope it's helpful!
"objective; object of preposition" Is your answer.