An office is generally a room or other area where administrative work is done. It may also be a position within an organization with specific duties attached to it. For example, the office of treasurer. An office is a design phenomenon. It can be a small office such as a bench in the corner of a very small business. It can also be anything up to and including large buildings full of offices. In modern use an office usually means the location where white-collar workers are employed.
There are mainly two types of office. They are large office and small office. A small office is small because the amount of work to be done is small. A large office is large because amount of work to be done is large.