Commerce means the entire system of an economy where business is conducted. Studying commerce will include a diverse field. At the most basic level it can be studied as Bachelors of Commerce (B.Com) & Masters of Commerce (M.Com). Subjects studied include Business Studies, Economics, Banking & Finance, Accounting, Auditing & Taxation etc. Studying commerce is a popular option among students these days as it opens up multiple avenues for higher studies.
Useful Information on Commerce