Complex sentence: Whereas proto-cuneiform is written in visual hierarchies, proto-Elamite is written in an in-line style: numerical signs follow the objects they count, some non-numerical signs are images of the objects they represent although the majority are entirely abstract.
Split into simpler sentences: Whereas proto-cuneiform is written in visual hierarchies, proto-Elamite is written in an in-line style. Basically numerical signs follow the objects they count, some non-numerical signs are images of the objects they represent although the majority are entirely abstract.