What do the icons on the right side of the map correspond to?

The icon corresponds to popular channels.
 
The icon  corresponds to the choice of view for the map, satellite or default.
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The icon   is used to center the tracker’s position on the map.
 
The icon  allows you to centre and zoom on the trajectory of the selected tracker.
 
The icon  allows you to change the duration of the track you wish to view on the map.
 
The icon   displays the list of already created shares.
 
The icon   gives access to the two following icons.
 
The icon corresponds to the breakpoints of the selected tracker.
 
The icon   allows you to export your GPX track.
 

Useful links:
Capturs Connect platform
Capturs Systems Connect platform
Capturs Android application
Capturs IOS application