In Wikipedia: Programme (=several related projects, programme management)

A temporary flexible organization structure created to coordinate, direct and oversee the implementation of a set of related projects and activities in order to deliver outcomes and benefits related to an organization's strategic objectives. A programme is likely to have a life that spans several years.
(Source: Managing Successful Programmes - 2011 Edition Glossary)

A programme is managed in a Programme management activity (Interaction Dictionary).