The Corporation has existed since early egyptian times. It is a "legal person" and can essentially perform any business or legal task that an individual can. Any corporation, whether large or small, conducts its affairs through three different groups:

Directors, Officers & Stockholders
Corporations, of course, also function through employees who carry out the day-to-day mandates of the officers. In Nevada one person may occupy all positions in the corporation (president, treasurer and secretary) and be its sole stockholder and director. Let's examine more closely the functions of each group.