Kanji are a type of logogram.
Ancient Egyptian hieroglyphs are given as an example of logograms.
表音文字 represents sounds (phonograms), while 表語文字 represents words or morphemes.
象形文字 are pictograms that depict objects directly, whereas 表語文字 may include abstract symbols representing words.
From 表語 (representing a word) + 文字 (character). A modern linguistic term coined to describe logographic writing systems.