Office etiquette is often used interchangeably with "work etiquette", can be defined as a set of rules and norms which govern social interaction at the workplace. Whereas work ethics tries to understand the relation of individuals to work within life itself, office etiquette has a task a narrower scope in governing an individual's behaviour with his or her colleagues. To a certain extent, office etiquette can also cover aspects of business etiquette and protocol, particularly if and when companies and their staff interact with other businesses and their personnel.