Nowadays colleges provide different courses of B.Arch degrees such as B.Arch general, B.Arch ID (interior etc.?

Nowadays colleges provide different courses of B.Arch degrees such as B.Arch (general),B.Arch ID (interior designing), B.Arch BCT (building construction technique). what is the difference between these courses of bachelor degree and what is the difference in scope of these careers? Does the bachelor degree get effected from such suffixes?