It's an ability that increases Accuracy of moves by 30%. It also has an out-of-battle effect that happens when a Pokmon with it is at the head of your party...it increases the chance of finding wild Pokmon holding an item. Whether or not you can obtain all of these in the game is all up to you.
CRD. Type:Abbreviation. Definitions 1. Abbreviation for chronic respiratory disease.
Why Dr and Cr for debits and Credits. As far as my knowledge is concerned Dr = Debit Record and CR = Credit Record. Credit abbreviation. The only abbreviation I have ever seen anywhere is Cr. An alternative for debits I have seen is Db.