Why Dont we use style command instead of the link rel command?

Question

Well why don't we use the style html command to put all of our css directly their?
why dont we use it instead of using the
<link rel="stylesheet" type="text/css" href="YOURCSSHERE.css">
command?

Answer 1

1.if you use style attr, your code look mess
2. use link rel to make your code more structured
3. you can reuse them.
4. easier for you and other people to read your code structure