watchword
US /ˈwɑːtʃ.wɝːd/
UK /ˈwɑːtʃ.wɝːd/
1.
parola d'ordine
(a word or phrase that represents) the main ideas or principles directing the way that someone behaves or the way that something is done:
:
•
And remember, let caution be your watchword.