It’s only words
According to history, writing was independently invented at least four times.
a. Mesopotamia (present-day Iraq): Between 3400 and 3300 BC cuneiform was used.
b. Egypt: Around 3200 BC
c. China (Late Shang Dynasty): 1300 BC
d. Mesoamerica: 900 and 600 BC
There is a possibility of writing being used in the Indus River Valley and Rapa Nui, but it remains undeciphered.
Let’s take a look at some of the ancient scripts: