Alan Alda (of MASH fame) discusses in an entertaining way how his work in improv led him to a better understanding of how humans communicate in real life.
Susan Weinschenk has also written books that bring psychology to design.
A good guide to effectively communicating with a range of different stakeholders. It’s not one size fits all. Your design colleagues want more detail, what was the approach. Typically, senior managers want the key messages.
What does it take to be effective at critique? Good critique is important. You can easily get someone’s back up by diving into the negatives (as I know to my cost). Read this.