Mood boards help align the aesthetic, color palette, and tone of a project. They get me on the same page with my clients. They can also help get the ideas out of my brain and into a clearly organized visual hierarchy.
business card - I love this one. The reverse (A) reminds of me an Ace playing card and the front is like a typewritten library card catalog. ATX -- looks like newsprint a little bit, good idea for a newspaper business card?