What is a chrome profile and how do I know which profile I am currently on?

What is a chrome profile and how do I know which profile I am currently on?

Chrome has a built-in feature called profiles. This allows a user to create a profile on one computer (for example home) and then open the same chrome profile on another computer (for example work) .

To determine the number of profiles follow these steps

1. Click the Google Chrome Browser Profile icon next to the three vertical dots on the Chrome browser  

This is display drop-down pane 

Located on the top you will find the currently active profile