Some of the stuff we retain may only be a StackOfStuff - DonaldNoyes.20141031 0800
They become a stack because we think of them when about to discard or pick them up: ButUnless - I throw them away or leave them where they are, I may ...
So we collect them, usually in a confusing collection of type stack, in a pile, stuffed in a box, placed on a shelf, or one of TheOtherThings or places for such
Then we DoSomethingElse?