Stamps and Sources

When I logged into Blogger, the first they show me is a dashboard-like menu. One of the items in this dashboard is the display of traffic source to my blog, this blog.

I don't understand though.

The traffic source is a URL of what lawdegree.com or something.

The traffic source seems rather irrelevant, I cannot make a connection how that source and my blog content are related. 

I mean, I didn't mention anything about law in here. LOL.

I think today is the first time I bought stamps. Stamps used for postage. HA! There is nothing much to say about this. I was born in a time where technology is advanced.

P.S. Why is a stamp also called a postage label, and how is it the same as a blog label ? LOL