Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
To stop recording, simply press Command+Control+Escape or select Stop Recording from the menu bar at the top of your screen.
Source: https://www.devicemag.com/how-to-screen-record-on-mac-without-quicktime/