A context diagram is a top-level (also known as Level 0) data flow diagram. The company intranet context diagram only contains one process node that generalizes the function of the entire system in relationship to external entities. A company intranet is a private website or digital area designed for sharing internal information and communication. Intranets help organizations store information, share news, and document resources for employees or workers at a corporate and sometimes department level. A company’s intranet is connected to several entities like a finance system where the expenses are managed, a content management system where news and events are published, timekeeping system where employees leave and pay cycle are managed.