what does this mean i dont have shared session?

[Mario27]

[14:13:33:980] Loading Honorbuddy 2.0.0.3740 settings.
[14:14:09:641] Authenticating..
[14:14:11:56] Gatherbuddy Sessions: 0/0
Honorbuddy Sessions: 0/0
Shared Sessions: 1/3
[14:14:11:56] Lifetime user detected. Disabling flight checks.

what does shared session means?