Answer:
When I type I tap these on the keys
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.
What runs around the whole yard without moving?
If you have me, you want to tell me. If you tell me, you don't have me.
This is the main ingredient in spaghetti and Mac-N-Cheese.
Two little holes in the side of a hill. Just as you come to the cherry-red mill.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?