Minimal eye contact would not help establish a strong ethos, as it gives the impression you are not confident in what you are talking about.
Https://writing.colostate.edu/textbooks/informedwriter/chapter4.pdf
I think it’s the first one
I’ve never read the book but if you have this may help. Figurative language and the use of imagery makes the book come alive. It allows the reader to visualize the authors story as if it were a picture or movie. Imagery is using the 5 senses (taste ,touch ,hear ,smell , & sight) to give the audience a vivid picture of the story they are reading.
