Discover the fascinating origins and meanings of over 2,000 signs and symbols from mythology and religion to astrology and ancient tribes in this comprehensive guide. For centuries, symbols have been imperative throughout the world, signifying ideas, relationships, and objects across different cultures. Find out why a flag at half mast is a symbol of mourning, why toads have got a bad name while frogs turn into princes, and why a heart pierced by an arrow is a classic symbol of love.