A session is a single lesson set up between a coach and learner. The lesson has a title, duration, cost, and time. Check your sessions in your Sessions Tab on your LeggUP Lab page!
A coaching plan is your coaching program. It could combine a several sessions or just a single one depending on your agreement with the learner.
An invoice includes the details of the coaching plan along with the payment details. An invoice is a document you will need to send to your learner and ask him/her to pay.