Here is a quick visual of all the different types of bags. Plenty of choices categorized by style, size, and utility potential. I personally prefer a messenger bag, suitcase, or a traditional backpack!
7 Leather Office Bags Every Working Woman Should Own
Portable Teacher's Work Bag - wonder where I can get a bag like this? It's a Thirty One Organizing Utility Bag. This would be great for all kinds of things including: mobile bill/office bag, knit/crochet bag, and go-bag for the car.