There is a "Contact" button here.> http://www.ebayinc.com/values
Is that what you're looking for?
BBL: Blocked Bidder List... BIN: Buy It Now... BO: Best Offer... BR: Bid Retraction... DC: Delivery Confirmation
DSR: Detailed Seller Rating FB: Feedback FRB: Flat Rate Box FVF: Final Value Fee IPR: Immediate Payment Required
NARU: Not A Registered User OP: Original Poster OT: Off Topic PM: Priority Mail.... PS: Power Seller....
SNAD: Significantly Not As Described...... TRS: Top Rated Seller...... UIA: Unpaid Item Assistant..... UID: Unpaid Item Dispute