What does this information mean?

Question

Debugging

From "Answers mail.ru" I accidentally got to such a link. Who can explain to me what this information means?

Answer 1

Masha, don't worry, you apparently clicked something and got into Chrome Developers Tools (tools for Web developers), which allow you to track the load time and consumed memory of an element on the current Web page. To you, as a user, this information is completely useless.

Answer 2

I see the image in the question has shrunk a lot. Here's a closer snippet.