A visit starts when at least one page is loaded on a website or an application. A visit can be made of one or several loads and is closed when no events are recorded for at least 30 minutes.
A load is the act of loading a specific page.
Let's take the following navigation as an example: I'm visiting mysite.com and loading page A, then page B, back to page A and finishing with page C. In our tools, you will see the following analysis:
The different loads belong to the same visit which appears on each line.