Navigation is the process of monitoring and controlling the movement of a craft or vehicle from one place to another. It is also the term of art used for the specialized knowledge used by navigator
A navigator is the person on board a ship or aircraft responsible for its navigation. The navigator's primary responsibility is to be aware of ship or aircraft position at all times. Responsibilities include planning the journey, advising the Captain or aircraft Commander of estimated timing to...

s to perform navigation tasks. All navigational techniques involve locating the navigator's position compared to known locations or patterns.
In the European medieval period, navigation was considered part of the set of seven mechanical arts
Mechanic arts
Mechanic arts is an obsolete and archaic term. In the medieval period, the Seven Mechanical Arts were intended as a complement to the Seven Liberal Arts, and consisted of weaving, blacksmithing, war, navigation, agriculture, hunting, medicine, and the ars theatrica. In the 19th century it referred...

1530s, from L.