This metric visualizes the total number of total visits for a given period. You can specify a specific period and compare it with the previous period/year. 

Comparisons can be made with a period no later than November 1, 2022, as the collected data is from that date.

The collected data represents the total number of unique device sessions in the online store. A session is a period of continuous activity by a visitor. The graph visualizes data according to the period - hour, day, month, or year, which you have specified, showing information based on visits.