A visit session is the period of time a customer (the visitor) spends on your site e.g. browsing.
Here's a list of places you can check out your visit metrics in Ometria.
Go to: Overview > Ecommerce KPIs
To see visitors currently on your site, go to Realtime:
To see an individual contact’s visit history, go to: Customer > Segment explorer and select the Contacts tab:
Select any contact from the list to view their profile.
You can see their number of visits in the Overview tab:
For more detail, select the Activity tab and filter the activity type on Visit:
You can click each activity instance for more information including the number of pages viewed and the Source/referrer: