This British Standard, a part of the BS 6079 series, defines the terms used in project management and network planning. It has a broad relevance to projects in many industries, commerce and the public sector.

The aim of this standard is to standardize the terminology and symbols used in project management to facilitate communication and the spread of knowledge of the subject.

The changes made to this standard from the previous edition (BS 4335:1997) are in support of the other parts of BS 6079 which have been extended the requirements for standardized terminology from the basic use in project network techniques to project management and its specialized use of other management techniques. Wherever possible the definitions given in BS 4335:1997 have been retained, although some have been deleted because they are no longer in use and others have been revised to reflect current usage or to improve clarity.