Here is an extract from an entry for Artism 2001 by Christopher B:-

Different forms are different ideas, e.g. the weather, black and white, people and animals, the weather can be rainy, overcast, drizzly, cloudy or sunny. People can be of different nationalities and religions and can either be white black or yellow. There are many different types of animals e.g. lion, tiger, elephant, cat, dog, rabbit etc. and there are four types of instrument e.g. woodwind, base, tenor, strings etc. Music can be in different forms e.g. jazz, folk jazz, rock etc....