Monospaced

Monospaced specifies a type font in which all characters have the same width, as with a typewriter font or the on-screen characters with text- interface displays. Courier is a common monospaced font.

Monospaced type is particularly applicable for tables or other displays in which the relative spacing of letters and numbers must be assured, or with drawings composed of ASCII characters.

W3E References:

"<PRE>"

Web browsers typically use a monospaced font for preformatted text, text within the HTML tag <PRE>...</PRE>.