Principles of Design Poster Critique

I like The Office poster, it has the balance of the 5 different types of  handwriting for the 5 different people in the room. The handwriting is written on a post-it note and each note is placed below or near the person it corresponds with, giving the poster symmetrical balance. This poster has a simple rhythm and good contrast, which really makes the black outfits stick out more against the window and wall. Since the poster has people in it the proportion is very important, I think the poster has good proportions in regards to the people in the poster. The Office poster is one of my favorite posters in the room and now that I have really analyzed the principles of designs involved in that poster I appreciate it even more.