What is the main role of padding?

Related questions

1. Why is the BR tag called an empty tag?
2. What is an element that does not having a closing tag called?
3. What do HR executives do?
4. Which tags does not require a closing tag?
5. What is called in HTML?
6. Why DIV tag is used in HTML?
7. What is Colspan and Rowspan in HTML?
8. What is padding in HTML?
9. Which HTML tag has no end tag?
10. Why SPAN tag is used in HTML?

Tags

1. #dealing
2. #target
3. #sides
4. #border
5. #change
6. #content
7. #model
8. #between
9. #padding
10. #element
11. #inside
12. #space
13. #around