Difference between CAD Drafter vs CAD Designer. There are many differences between these two professions, but a quick summary can be summed up as follows: Accountants, economists and lawyers work in offices and have the ability to determine prices or values based on mathematical calculations, facts and historical data. An accountant is also referred to as an auditor. A lawyer argues his point before a judge; therefore fights for his client's rights. An economist studies the principles of supply and demand, which he applies to help companies maximize profits.