The various dots on your map help you distinguish between GPS and Cellular location tracking. Therefore we have used colour to help achieve that.

Simply put

Green = GPS = Highest Accuracy

Blue = Cellular Location Ping = Medium Accuracy

Red = Cellular Location Ping = Lowest Accuracy

It is best to really understand how to get the best GPS signal and to get a handle of Cellular tracking. To do so, we recommend reading the following article.

Positioning your GPS to get the best signal and using Cellular location