[mothered]

saw a tomas shelby lover defining his methods and he stated CA
DE , question related to the abbriviation CA what are the words that these two letters shortcut's . also the letters DE , MEB hope you englighten me on just those im also aware of your abbriviation page but couldnt find those letters .

MEB Is: Manufacturer Empty Box.

In terms of CA and DE, they're not method abbreviations used In social engineering parlance, so he's probably abbreviated them to his understanding.