Chapter 1, Problem 62PP

Describe the mesomeric or resonance effect and differentiate between types +E or +M and -R or -M.

I need help with the following two problems, understanding them in a simple manner. Can you please draw them out for me with a detailed explanation so that I can better comprehend? I'm a visual person, so I definitely need that. Thank you very much!

Problem 54, could you please explain it in detail? Thank you! Step by step, I'm really confused, so please don't make it overly complex. My question is to visually draw it out and demonstrate it to me; I'm confused about that problem, please (not just in words) but demonstrate it to me in all due essence (visually) with descriptions.