TomTom app for iPhone Reference Manual page 22

Tap this button to run an Internet search of the local area and use the
location of one of the search results as your destination.
Local Search
Tap this button to navigate to a Point of Interest (POI).
Point of Interest
Tap this button to plan a route to the address of a contact in your
address book.
Contact
Tap this button to enter a postcode as your destination.
Note: Information about postcodes is only available for addresses in
the U.K. and the Netherlands.
Postcode
Tap this button to select a point on the map as your destination using
the Map Browser.
Point on Map
Tap this button to enter the map coordinates of a location on the map
as your destination.
Coordinates
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