➡ line along the coast of a coastal State as marked on large-scale charts officially recognised by the coastal State which acts as the starting point for measuring the breadth of the sea around a coastal state.

➡ Navigation which is not prejudicial to the peace, good order or security of the coastal State. i.e. navigation which does not pose any threat or use force against the sovereignty, territorial integrity or political independence of the coastal State, or in any other manner in violation of the principles of international law embodied in the Charter of the United Nations;

➡ Passage means navigation through the territorial sea for the purpose of: a) traversing that sea without entering internal waters or calling at a roadstead or port facility outside internal waters; or (b) proceeding to or from internal waters or a call at such roadstead or port facility.

➡ a liquid without colour, smell or taste that falls as rain, is in lakes, rivers and seas, and is used for drinking, washing, etc