Inland water way - 1)Inland waterways include rivers, canals, backwaters and creeks which are deep enough to allow the ships and boats to navigate safely.
2)Inland navigation can transport many varieties of cargo to and from city centres and urban areas to the hinterland.
Ocean navigation - 1)Ocean navigation is planning, managing and directing a vessel's voyage.
2)Beginning in ancient times, sailors used ocean navigation tools to determine their speed, position and direction of travel.