Imitative magic is based on similarity. It is the idea that like produce like”. In imitative magic the magicians acts similarly to the desired result. For example if anyone to be make torture, his statue is to be beaten on the head in the hope that it will become mentally tortured. Contagious magic is based on the principles that things or persons which come once is contact to one another can influence each other after separation.
The concept of magic is very old and is found in different tribes of the world. It is different from the religion in the sense that, in religion one is supposed to pray for help from super-natural power while in Magic a magician tries to force the supernatural power to help him.