Text makes sense. I mostly read it as “Terminal” and do not know what the original meaning is with a certainty. Looking at Wikipedia, the source of truth, it’s https://en.wikipedia.org/wiki/Text-based_user_interface . You probably right about it.

Yes. Think of any terminal application with an interactive user interface, that mimics a GUI. Something that is not just controlled by commandline options like grep and sed in example.

TUI: Terminal Text User Interface, something like htop in example. CLI: Command Line Interface, something like grep in example.

Edit: “Text” is probably the correct word, not “Terminal”.

You can also filter windows out of a screencast by choosing a special option from the pop-up menu that appears when right-clicking a window’s title bar:

An option to hide windows from Spectacle, when recording a screencast. Admittedly I am not much of a screencast person, but its good to know in case I need it as I have some future plans. So I could have some notes or the web browser open in same virtual desktop I am recording from.

• Snap - bad idea