A more thorough explanation:

A secretary is an administrative assistant who helps with various tasks such as scheduling appointments, answering phone calls, and organizing files. They can work in different industries such as healthcare, education, and government.

In a corporation, a secretary is a corporate officer who is responsible for official correspondence, minutes of board meetings, and records of stock ownership and transfer. They are also known as the clerk of the corporation. For example, the secretary of a company may be in charge of sending out important emails and keeping track of important documents.

In parliamentary law, a secretary is an officer who records the proceedings of a deliberative assembly. They are also known as the clerk, recorder, recording secretary, recording officer, or scribe. For example, the secretary of a student council may take notes during meetings and keep track of any decisions made.

There are also different types of secretaries within organizations. A corresponding secretary is an officer who is in charge of an organization's correspondence, usually including notices to members. A financial secretary is an officer who is in charge of billing, collecting, and accounting for dues from members, and may also serve as the treasurer.

Overall, a secretary plays an important role in helping organizations run smoothly by providing administrative support and keeping important records.