TomTom Ease Reference Manual page 14

Tap this button to change your route so that it passes a particular location,
perhaps to pick someone up on the way. When you do this, a marker is
shown on the map for the location you choose to travel via.
Travel via...
You choose the location you want to pass in the same way as you choose a
destination. So you can select from all the same options, for example:
Address, Favorite, Point of Interest and Point on map.
Your EASE calculates a new route to your destination that passes the loca-
tion you chose. Unlike your final destination, your EASE does not inform
you when you pass by this location.
Tap this button to plan a new route. When you plan a new route, the old
one is deleted.
Plan route
Tap this button to delete the current route.
Clear route
14