About the App. App name: Understand.
Understand Mac Understand For Mac Pro
Apple + How To. Understanding User Accounts in macOS. Posted on October 16th, 2017 by Kirk McElhearn Everyone who uses a Mac has a user account. If you're the only person using your Mac, then there will only be one account.
App description: understand (App: scitools/bin/macosx/understand.app). App website: Install the App. Press Command+Space and type Terminal and press enter/return key. Run in Terminal app: ruby -e '$(curl -fsSL /dev/null; brew install caskroom/cask/brew-cask 2 /dev/null and press enter/return key. If the screen prompts you to enter a password, please enter your Mac's user password to continue. When you type the password, it won't be displayed on screen, but the system would accept it.
So just type your password and press ENTER/RETURN key. Then wait for the command to finish. Run: brew cask install understand Done! You can now use Understand.