3. Steer clear of modern slang when speaking in public.

Reason: To keep communication in an official and conventional tone.
A private or informal setting would be an exception.
In the digital age, language is constantly changing, and new slang terms and expressions frequently make their way into the lexicon. The Royal Family stays away from using the newest jargon in official settings, even though it’s entertaining and relatable for many. There are two factors at play. First and foremost, one should speak in a dignified, ageless style that is understood by all, regardless of ethnic background or age.