And is a word that is used for connecting two other words together. For example: "Anne and Mary went for a walk." "3 and 5 is 8." "I went to the shop to buy milk, bread and eggs." You can also write and as an ampersand.
You have both of something when you have two things, together. Both means you have all of some things, when there are only two things. The man in the picture has both hands full.
For means with a purpose of, or intended to belong to. Some examples are: "I am collecting shells for my sandcastle" "That cupboard is for the towels" "Is that for me?" Not to be confused with four.