The paragraph tag is put at the start and the end of every paragraph in the document.

bold text is created with the strong tag, you can use the i tag to make italic text and you can even use them together

This creates a level one heading

This creates a level two heading

This creates a level three heading

This creates a level four heading

This creates a level five heading

This creates a level six heading

The font tag allows us to format text font and size. this text is in the arial font. This text is size 1, this text is size 2 and this text is size 3.

Your browser will ignore any whitespace (carriage returns, tabs and spaces) in your source code. Notice that this line follows on from the last in the web page, whereas it is on a new line in the source. To add carriage returns, use the break tag.
This is an unusual tag, because it has no end tag to go with it.

The horizontal rule tag will create a horizontal line on the page