An h1 tag used for titles and important subtitles. There are 6 versons of the 'h' tag. They are h1-h6

This is a paragraph tag. It is used for writing sentences and paragrphs. paragrph tags automatically insert a lineBreak everytime they are used.

This is a span tag. It is also used for writing sentences and paragrphs, however span tags do not insert a lineBreak everytime they are used. 
This is a pre tag. it is used to display pre-formatted text. Pre tags will keep the font family of the source of the text
An "a" tag is a link to a different web page

Here's how to make a list:

Here's how to make an ordered list:

  1. First Thing
  2. Second thing
  3. Third thing

Div tags are usd as dividers. You use the to seperate page/document sections.

This is a center tag. it is used to cneter content on the webpag.

This is a marquee tag. It is used to make text move across the screen forever