pictograph, hieroglyph
pictograph
The answer depends on what you mean by "picture writting" which is not a recognised English phrase.
A symbol is a letter or picture used to stand for something else.
No, the ampersand () is not considered a letter. It is a symbol used to represent the word "and" in writing.
The convention used for the chemical symbol of an element is so that you can determine the atomic mass.
The ancient Egyptians used a form of picture writing known as hieroglyphics.
Hieroglyphics
The writing is called hieroglyphics.
These are called Hieroglyphs. They were used in Ancient Egypt.
Hyrogliphics.
hieroglyphics
Heiroglyphics