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.
Additionally, you can display a custom message with your contact information on the Lock screen in case someone finds your Mac.
Source: https://www.devicemag.com/stolen-macbook-lock-or-erase/
With the Icon Lock screen Widgets and Themes app, you can choose from a variety of aesthetic themes and wallpapers to personalize your home screen.