Show upright text: \textup{text}
italic: \textit{text}
slanted italic: \textsl{text}
Display lowercase uppercase text: \textsc{text}
Medium weight: \textmd{text}
Bold command: \textbf{text}
Default value: \textnormal{text}

Italic: \textit{italic}, or \emph{italic}

Fine font: \textlf{light font}

Use equal-width fonts: \texttt{code}

Use sans-serif font: \textsf{sans-serif}

All letters uppercase: \uppercase{CAPITALS}

All letters uppercase, but lowercase letters are smaller: \textsc{Small Capitals}