The systematic observation of aerospace, surface or subsurface areas, places, persons, or things, by visual, aural electronic, photographic, or other means; specially, in maritime surveillance, to detect and determine The number, identity or movement of aircraft, missiles, surface, or subsurface vehicles.
Uhlolo lobuchule lwenqwelo-moya esemoyeni/inqanawa, engaphantsi okanye ngaphezulu kwamanzi, lweendawo, lwabantu, okanye izinto, ngokuzibona ngamahlo, ngokuziva ngokuziva ngeendlebe kusetyenziswa ubuxhakaxhaka bombane, lweefoto, okanye ezinye iindlela; ingakumbi kuhlolo lwaselwandle, ukuphanda nokuhlola inani, imbonakalo okanye intshukumo yenwelo-momya, isiphekepheke, iinqwelo zaphezulu nezangaphantsi kwamanzi.