A more thorough explanation:

An officer is a person who has been given the responsibility to carry out the duties and functions of an office. This can be a position of trust, a duty or charge, or the right to work in public or private employment.

• Public Officer: A public officer is someone who has been elected or appointed to perform the duties of an office for the public good. This can include positions such as a mayor, governor, or judge. They are created by constitutional clauses or statutes, which determine their qualifications, responsibilities, and salary.
• Corporate Officer: A corporate officer is someone who is in charge of the day-to-day business operations of a company. They are hired and fired by the board of directors and have the authority to bind the corporation to contracts as its agent. Examples of corporate officers include the president, secretary, and treasurer.
• Military Officer: A military officer is someone who has been commissioned in the Armed Services. They hold a position of authority and are responsible for leading and managing troops.

These examples illustrate how officers can hold different positions and responsibilities depending on the context. They are given the authority to carry out specific duties and are held accountable for their actions.