Answer:
Lots of them make up a word, And lots of words are in them. It's easy when you think about it. A while ago we stamped and mailed them.
It can be cracked, It can be made, It can be told, it can be played. What is it?
The little pink nub that helps rectify mistakes.
Once you have it, you want to share it. Once you share it, you donβt have it. What is it?
What has one head, one foot, and four legs?
I touch the Earth, I touch the sky, but if I touch you, youβll likely die. What am I?