1. Basic Text Formating
Completion requirements
18. Type Style
A type style is specified by: family, series, and shape. Any type style is a combination of these three characteristics. The default: roman family, medium series, upright shape.
Example
\begin{ttfamily}
This is typewritter font.
{\rmfamily This is roman font---by `Declaration'}.
\textsf{This content is in San Serif font by command}. The ttfamily environment continues.
\end{ttfamily}