When to Use a Colon with Colon Punctuation Rules
Most of the time, the Colon (:) symbol is misunderstood, due to every culture and the way it is used for those cultures. Usually, Latin relatives languages (Eastern Europe) are using the colon with different purposes than Americans. Because the colon came from Latin writers, this punctuation mark kept its pure meanings for Latin countries. It can happen that Latins will use the colon symbol too much, in order to make their writing much easier to write and read. It is said that this symbol was specially invented for lazy artists, in order to put everything on the list and write as simply as possible.
Whatever the colon symbol started from somewhere (as any other thing) and then expanded to the whole world. That’s why some of the rules may apply to all cultures.