Provided by HME Media, this site is an online version of Carl G. Liungman's Thought Signs (1995), an encyclopedia of graphic symbols. The site contains more than 2,500 Western signs, arranged into 54 groups according to their graphic characteristics. Ranging from Cro-Magnon carvings in mammoth teeth to hobo signs and subway graffiti, the signs are explained and examined in 1,600 articles. Users may search for the meaning or history of a sign in the Graphic Index or use the Word Index to find an ideogram with a certain meaning.