Officer

An officer is a person who holds a high rank in a uniformed organisation like the military or police. A military officer has a commission, a state document saying others must obey them. Some examples of officer ranks would include captains, majors, and lieutenants, but not sergeants, who are sometimes called non-commissioned officers, or NCOs. 

People who are in a position of importance in an organization or company may be a corporate officer, for example:
The Chief Executive Officer (CEO) of a company is the person in charge of that company.
In many organizations, the officers are the president, vice-president, secretary and treasurer. These people run the organization, keep track of what goes on at meetings and handle the money for the organization.

Related pages
Military ranks
Chief executive officer

Category:Military ranks