A medical marijuana prescription/recommendation (AKA the "California Bus Pass").

Basically these are collector items in the vein of Pokemon Cards and Magic Cards, but predates all card based collectables. Like magic and pokemon cards, baseball cards contain statistics, but unlike magic and pokemon cards, the players with which these statistics refer to are real and not imaginary like players dipicted in magic and pokemon, which are made up to serve gaming purposes. Thus, baseball cards are not gaming cards and serve only to amuse and pleasure those who love baseball and their players (See keedon, baseball).

"victim card" in short means some one who will try and act like a victim in a situation to get sympathy from other people.

A pair of buds that like to hang out together.

That and a platinum card, is a modernization of the saying, that and a dime will get you a cup of coffee. The meaning is something is without any particular, practical value.

a system in which an employer is required to recognize a union if a majority of workers sign a membership card, making it easier for workers to organize a union

Finding no toilet paper after going # 2. Just cardboard rolls.