Experience profiles
Training Session.
Fatigue and recovery: your body is recovering from the training stress.
Supercompensation: if you trained near your limit, your level increases a little.
Detraining: if you stop training, your level slowly goes back down.
Estimations for the next 7 days.
Your whole training history is taken into account to estimate your level as precisely as possible: all the exercises you've done, when you did them, and with what volume and intensity.