Written symbols are graphic representations of a language's sounds and their meanings. These symbols can take many forms, from letters and numerals to punctuation marks and ideograms. Some common synonyms for written symbol include character, glyph, symbol, sign, icon, and logogram. Characters are specific symbols used to represent written language, such as the letters of the alphabet. Glyphs are graphical representations of a specific meaning or sound, such as the smiley face emoji. Symbols and signs can have a broader meaning, including visual representations of abstract concepts or warning messages. Icons are specific symbols that represent a concept or object, while logograms represent entire words or phrases with a single symbol.