Celebrities release their cards on Zoop in batches of 500 known as An Edition each edition consists of 500 identical cards. Each release of a new edition is known as a drop.
A Set is a pre-defined group card from different editions from either one or multiple celebrities.
Finally, a Stack references all the base cards from one specific celebrity.
“Ronaldo’s stack has 34 different editions in it, with a new edition dropping this Friday.”