Across
- 4. Writing sent from one cell phone to another
- 6. a written message that you send in an envelope
- 8. the set of letters from A to Z
Down
- 1. The first machine to make books
- 2. form of communication in the past that you can find on the walls of cave
- 3. Egyptian pictures that are really words
- 5. Long and short sounds used to send a message
- 7. You listen to music or news using this