What do the hieroglyphics in the depict?

Egyptians and other ancient cultures that had not developed a written language used hieroglyphic pictures to represent words, numbers, or sounds.

Egyptian writing through symbols

The Egyptians used their Papyrus rolls as writing paper. Like the people of Mesopotamia, the Egyptians developed their own system of writing. Originally, it was made up of thousands of picture...

hieroglyphics was there in Egypt because that is how the people in Egypt can communicate to others.

a hieroglyphic is drawings that means different words in Egypt and maybe Mexico. Hope that answers your question i only know that much of it :)