pictograph
The answer depends on what you mean by "picture writting" which is not a recognised English phrase.
pictograph, hieroglyph
Picture writing is writing that is done using pictures instead of words. The symbols are varied and are called hieroglyphics.
The ancient Egyptians used a form of picture writing known as hieroglyphics.
Hieroglyphics
the Egypytian writting is called Hieroglyphic
A symbol is a letter or picture used to stand for something else.
The writing is called hieroglyphics.
These are called Hieroglyphs. They were used in Ancient Egypt.
hieroglyphics
Hyrogliphics.
Heiroglyphics