1.As a student,it is important to study world religous due it surrounds our daily lives and it can help us understand many types of differences that are visible all around you.
2. I prefer both because the belief system refers to a particular way of ordering the realities of one's world and the worldview refers to a collection of attitudes,values,stories and expectations.
3.It is important because it signifies the significance of God's and Spirits.
4.Religion is a specific set of organised beliefs and practices, usually shared by a community or group and the Spirituality is more of an individual practice, and has to do with having a sense of peace and purpose.
5.Philosophy looks for rational explications and justifications for beliefs. Philosophy has its basis in reason. Theology deals with thinking about religious beliefs in a rational manner but it presumes faith.