The term 'Group of Key Personnel' can be summarized as a CADRE, which is a French word meaning a small group of people with specialized training or knowledge. This group of personnel is typically composed of individuals who have been chosen for their expertise in a particular field or area of expertise. They are usually responsible for providing guidance and leadership to the organization or team they are part of. Cadres are often used in military, government, and business settings to provide direction and support.