session
The word 'session' is translated as 'séance' in French. This can be used in various contexts such as 'session of Parliament' (Séance du Parlement), 'therapy session' (séance de thérapie), etc. In French, it is used to denote a meeting, a session or a period devoted to a particular activity.
I'm going to the yoga session tonight.
This first phrase shows 'session' being used in the context of a specific event or gathering to practice a particular activity. This time is about attending a yoga class.
The training session has been postponed.
In this second example, 'session' is used to refer to an educational or training event that has been scheduled and subsequently delayed.
The price of tickets varies from session to session.
This last phrase indicates 'session' being used to compare differing instances of an event. Here, each 'session' is a separate occasion or timeframe.