Theology

Theology is the study of a god or the god; for example - the Theology of Mars is the study of the Roman god Mars. Theology involves the study of religious faith, practice, and experience. In the English language the term is typically used to refer to a four year course taught in most Catholic schools. The science of Theology has many branches such as as Christian Theology which can be separated into even more focused subjects such as Christology and Pneumatology.

Etymology
The word Theology derives from 'Theo' which means of or relating to god and 'ology' which means 'a of study of'. In literal terms Theology means 'The Study of God'.