The text talks about:
- The most important developments of civilization.
- The importance of writing to communicate.
- The timeline history of written communication (from drawings to hieroglyphics and then alphabets, written language).
- Sending letters and postal service.
- a postal service comes from ancient Egypt – a clay letter, then papyrus.
- The first government postal service began in China, then in Rome.
- In the late Middle Ages, private postal systems carried personal and business mail.