Talking about inline and block elements. What's a "New Line" and what's a "Line Break"?

Answer 1

Never heard of a "New Line", however a "Line Break" <br>, will move down one line in a paragraph or in your window..for example :

<p>This text contains<br>a line break.</p>

Result :

This text contains
a line break.

.....versus no line break...for example :

<p>This line contains no line break.</p>

Result :

This line contains no line break.

Answer 2

<br />
known as line break in html tags

\r\n stands for Return and Newline (Displays the following in next line). But it is not Part of HTML. It is a part of scripting language such as ASP or PHP