Cách sử dụng
Watchword is a word that is used to give a main idea or theme of something. It can be a slogan, a word or a phrase that is often used as a symbol of a particular idea or belief. It is usually used in formal settings like military or political operations to signify the main objective, motto or a code. For example, "honesty is the best policy" can be considered as a watchword for people who want to be truthful in their actions. Similarly, "one for all, all for one" is a watchword for teamwork and unity. If one hears a watchword, they can understand the main message of a group or organization.