For Royal Navy Admiralty Charts there is a good deal of chart abbreviations which must be learned as well as the chart signs which all have their meaning.
Kookumkani babaphathi bemikhosi yeenqanawa itshati phaya lurhwebo olulungileyo lwezishunqulelo zetshati emazifundwe ngokunjalo neempawu zetshati ezi zonke zine mvakalo yazo.