<p> and <pre>

Question

What is the different between <p> and <pre>?

Answer 1

p defines a paragraph which don’t preserve line spaces
ex:
<p> Hello
World </p>
output: Hello World (single line)

pre defines pre formatted text which preserves line spaces
ex:
<pre> Hello
World </pre>
output:
Hello
World
(double line)

Answer 2

<p> ignores extra whitespaces
<pre> preserves whitespaces

Answer 3

Newlines entered are preserved in <pre> tags.