Definition of religion:

It may have several type of definitions but most vital words is that religion is as the belief in and worship of a superhuman controlling power, especially a personal God or gods,  or a religion is a set of beliefs that is passionately held by a group of people that is reflected in a world view and in expected beliefs and actions.These beliefs according to some religious sects, are often linked to supernatural beings such as God, a number of gods or spirits.