This small indicator on the lower left of the UI can have 4 states (red, orange, yellow, green). It also shown the amount of data, which is currently send and received (little red dots)
| Color | Meaning |
|---|---|
| green | Everything is fine, no network, GPS or server issues observed |
| yellow | Something is not optimal, expect things to go slow |
| orange | So, so, full functionality not really warranted |
| red | Something is really wrong with network, GPS, maybe server, actions might work, but might also fail |