How do write a letter?

How do write a letter?
Step by step of how to write a letter:

1. Choose a dominent hand
2. Find a writing utensil and place it in the dominent hand.
3. Cut down a tree, send the tree to the mill, and produce paper as material.
4. Move the writing utensil around on the paper.
5. Fold the paper and place it in an envelope
6. Drop it in a postal box.

Hope this helps !