What is mean by this line "<span style="color: rgb(37, 37, 37); font-family: sans-serif; font-size: 14px;">The default is to search in all of the available sections, following a pre-defined order and to show only the first page found, even if page exists in several sections. You can use man command to know more about the command man itself."</span>
Linux Basic-Commands 09-10 min 20-30 sec
the given line is like scripting language context like json, man command provides command options.