- b
Bold text is text that is used to draw a reader's attention to a phrase without otherwise adding meaning to the content.
- i
Italic text is text that is used to emphasize the key points in printed text, or when quoting a speaker, to show which words the speaker stressed.
- line-through
A strikethrough is a typographical presentation of words with a horizontal line through their center. It can indicate that words are a mistake and not intended for inclusion, or it can be used deliberately to imply a change of thought.
- overline
An overline is a horizontal line that is printed above a line of text, a mathematical symbol, or an illustration in a newspaper or journal.
- sub
A subscript is text that is printed below the line. It is frequently used in chemical and mathematical formulas.
- sup
A superscript is text that is printed above the line. It is frequently used in chemical and mathematical formulas.
- tt
Teletype text is text that is displayed on a fixed-width display such as a teletype, text-only screen, or line printer.
- u
An underline, also called an underscore, is a line immediately below a portion of text.