Process to train for, assess, practise and improve performance in an organization.
Note 1 to entry: Exercises can be used for validating policies, plans, procedures, , equipment, and inter-organizational agreements; clarifying and training personnel in roles and responsibilities; improving inter­organizational coordination and communications; identifying gaps in resources; improving individual performance and identifying opportunities for improvement; and a controlled opportunity to practise improvisation.
Note 2 to entry: See also test.

The provision of communications and information support by certain organisations (e.g. professional responders) to other stakeholders (e.g. local authorities, private actors, volunteers) will facilitate interoperability.
First definition is the default one that is used in DRIVER+. Further definitions (if any) are the ones commonly used in specific sub-communities with relevance to the Crisis Management.