Which kind of figurative language is used here? every time he touches his guitar, it sings!

In figure 4 of the telephone components what do the labels lettered a to e

What is hamlet pondering at the beginning of act 3?

In paragraph 5, president obama remarks: “you know, when trayvon martin was first shot i said that this could have been my son. another way of saying that is trayvon martin could have been me 35 years ago.” how does president obama use rhetoric in this quote to contribute to the overall meaning of his speech?