Get different number of memebers for our Team site. inside the home page and inside the Site Permission menu

Question

We have a modern team site inside our online tenant, where on the home page we got that we have one member as follow:

But if I access the site permission >> site members >> I will got no user as follow:

So why we have confusing results?

Answer 1

1 Member in 1st image shows the members added to the M365 group associated with the team site.

And the 2nd image shows the membership of SharePoint groups.