You can use some of the control options for the Map Layers in order to visualize what you need and find features on the Map. 

 Jumping to a location: Select the location marker in a Layer row to jump to that subject on the map. 

. Showing Tracks: Select the Tracks Toggle to display the track for that subject. Several subjects can be displayed at the same time. 

. Heat map: Select the Heat map Toggle to display the heat map for that subject. Several subjects can be displayed at the same time.