The rule of three, in writing, is a an idea that suggests that using a trio of events or characters is more humorous, satisfying, or effective than other numbers. They can be used for many things and are often used when a writer is structuring a paragraph or argument.
The rule of three in a writting principle which suggests that a trio event or character is more amusing, satisfying, or effective than other numbers.
The targeted audience are more likely to remember the information conveyed because having three characters combines both brevity and rhythm with the smallest amount of information to create a pattern.