how to close the console

Hello,
In all the years I've used Linux, I've never tried a console, such as ctrl + alt + F1.
I did this and a command such as speaker-test worked.
But, exit does not exit from the console.
So, how does one close a console?
Thanks.

Glenn

It used to be wine, women, and song,
Now it's beer, the old lady, and TV.

Glenn K0LNY & WSAT439