Visit - a sequence of actions (activity) performed on the website by a single user (on a single tag).
The session ends when there is no activity for a certain amount of time. By default, this is 30 minutes. You can set a different amount of time using the
session timeout option.
Referrals from advertising systems (such as Yandex.Direct and others) are always
considered separate sessions. Even if a user clicked an ad repeatedly (or there were several of them from the same computer) before the session timed out,
each of the clicks is a separate session.