Turn-by-turn Navigation  is a feature of some GPS navigation devices where directions for a selected route are continually presented to the user in the form of spoken or visual instructions. 

To get easy, turn-by-turn navigation to places, use the Google Maps app. Maps will show you directions and use real-time traffic information to find the best route to your destination. With voice navigation , you'll hear traffic alerts, where to turn , which lane to use, and if there's a better route.      

Web navigation   refers to the process of navigating a network of information resources in the World Wide Web , which is organized as hypertext or hypermedia. The user interface that is used to do so is called a web browser.     

The field of navigation includes four general categories: land navigation , marine navigation , aeronautic navigation , and space navigation . It is also the term of art used for the specialized knowledge used by navigators to perform navigation tasks.