What is estimated time en route $($ETE$)?$

The time of day of an expected arrival at a certain destination and is typically used for navigation applications.

A GPS technology adventure game that posts the longitude and latitude location for an item on the Internet for users to find.

A device that measures the acceleration $($the rate of change of velocity$)$ of an item and is used to track truck speeds or taxi cab speeds.

The time remaining before reaching a destination using the present speed and is typically used for navigation applications.