The simplest way to talk about location

 Street addresses aren't accurate enough to specify precise locations, such as building entrances, and don't exist for parks and many rural areas.

This makes it hard to find places and prevents people from describing exactly where help is needed in an emergency.

WHAT IS WHAT3WORDS ?

What3words divided the world into 3 metre squares and gave  each square a unique combination of three words . It's a free app that can be downloaded from the apple app store or google play.

more information can be found on their website https: // what3words.com/