Strong is used to indicate strong importance
This text has added emphasis
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 has a strikethrough
Subscript for things like H2O
This small text is small for for fine print, etc.
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