What is this circular orange spot in GNOME's top bar menu?

My cat walked through the keyboard and now there is this weird orange dot/spot/circle alongside the network, Bluetooth, sound and battery icons:

Alongside with network, Bluetooth, sound and battery notifications, there appears an orange dot.

What is this?


Solution 1:

It means that you are recording your screen, the keyboard shortcut to start / stop it is CTRL+ALT+Shift+R.

As pomsky suggests: The videos get saved to a default folder, which, in most cases, is your Videos directory.