i·co·nog·ra·phy
noun/ˌaɪkəˈnɒɡrəfi/
/ˌaɪkəˈnɑːɡrəfi/
[uncountable]- the use or study of images or symbols in art
图示法；象征手法；图像学 Word Originearly 17th cent. (denoting a drawing or plan): from Greek eikonographia ‘sketch, description’, from eikōn ‘likeness’ + -graphia ‘writing’.