An ideogram or ideograph (from Greek idea "idea" + grafo "to write") is a graphic symbol that represents an idea or concept. Some ideograms are comprehensible only by familiarity with prior convention; others convey their meaning through pictorial resemblance to a physical object, and thus may also be referred to as pictograms. Examples of ideograms include wayfinding signs, such as in airports and other environments where many people may not be familiar with the language of the place they are… (More on Ideograms)