Images are traditionally frowned on in Islamic Art because images cannot be trusted the way words can. People could have different perspective if you show them a picture, hence making it difficult to point out its real meaning. Also, humans are thought to be a symbol of filth.
Especially ceramics and porcelains, and as a result it gave rise to many imitatiors and scammers. <span />
The organisation of visual elements in two-dimensional art is called the composition.