A "bump" is a post that's made to "bump" the topic back to the top of the active threads listed on the front page of the site. "KITTT" is the same (keeping it to the top).
DD is the Dirty Dozen design team; they put together fabulous designs in the Dirty Dozen gallery that you can see if you donate $20 to join the SCS Fan Club.
There's more info on the front page, in the upper left corner, but here's a link:
Forums at Splitcoaststampers
Don't forget - you can use the search feature to find answers to many questions!
bump
