Navigation is the process of reading, and controlling the movement of a craft or vehicle from one place to another. [1] It is also the term of art used for the specialized ...
http://en.wikipedia.org/wiki/Navigation

navigation n. The theory and practice of navigating, especially the charting of a course for a ship or aircraft
http://www.answers.com/topic/navigation

Official NAVTEQ Online store for the latest GPS navigation maps. Original maps available for the most popular vehicle brands and portable GPS navigation devices.
http://www.navigation.com/is-bin/INTERSHOP.enfinity/WFS/Navteq-NavteqEurope-Site/-/-/-/Default-Start

nav·i·ga·tion (n v-g sh n) n. 1. The theory and practice of navigating, especially the charting of a course for a ship or aircraft. 2. Travel or traffic by vessels ...
http://www.thefreedictionary.com/navigation

Google Maps Navigation (Beta) Google Maps Navigation is an internet-connected GPS navigation system with voice guidance. Watch video
http://www.google.com/mobile/navigation/