Which rhetorical device would it be if the author is trying to show hope for the audience by showing a nice sky in the background.

Answer 1

http://www.virtualsalt.com/rhetoric.htm

Bookmark this website for your current and future use.

Read up on metaphor or some kind of sensory detail, and then decide if any of them fit. If none does, then keep reading about the others on this list until you find what you're looking for.

Answer 2

@Writeacher, I have a question for you:
Is it all right to use the two verb tenses in the following sentence when writing a cover letter?
I developed communication skills as an Assistant at Oakly Inc., catering to the needs of my supervisor and assisting at the front desk.