Text abbreviation is a process in which a word or a phrase is represented in a shorter form, generally using a few letters. An example of an abbreviation that uses only the initial letters of a short phrase is SMS. It stands for “Short Message Service,” and you can see what each of the letters ...
Firstly, writing on a piece of brick with metal tools or transcribing a long message with something even less technologically advanced than a pen was laborious. Extremely so. Secondly, paper (or its equivalent), ink, and literate people were very hard to come by...