/usr/share is read-only, architecture independent data files.
Required manOnline manuals
Specific Options dictWord lists
docDocumentation
gamesStatic data files for /usr/games
infoGNU Info system s primary directory
localeLocale information
nlsMessage catalogs for Native language support
sgmlSGML data
terminfoDirectories for terminfo database
tmactroff macros not distributed with groff
xmlXML data
zoneinfoTimezone information and configuration