Strong is used to indicate strong importance

The b element is stylistically different text from normal text, without any special importance

The i element is text that is set off from the normal text

The u element is text with an unarticulated, though explicitly rendered, non-textual annotation

This text is deleted and This text is inserted

This text has a strikethrough

Superscript®

Subscript for things like H2O

This small text is small for for fine print, etc.

Abbreviation: HTML

Keybord input: Cmd

This text is a short inline quotation

This is a citation

The dfn element indicates a definition.

The mark element indicates a highlight

`This is what inline code looks like.`

This is sample output from a computer program

The variarble element, such as x = y