Final answer:
The concept encompassing instrumental, affective, and cognitive support is known as social support. It is fundamental to human well-being and is significantly associated with better health outcomes and coping mechanisms.
Step-by-step explanation:
The concept that includes instrumental support, affective support, and cognitive support is referred to as social support. Social support plays a critical role in health and well-being and can have soothing effects during times of distress, fear, and sorrow. Instrumental support involves providing tangible help, such as financial assistance. Affective support pertains to emotional comfort and acceptance, while cognitive support includes advice, guidance, and the exchange of information. A strong social support network can significantly increase an individual's chances of coping with stress and even surviving various life challenges, underlining the importance of building and maintaining stable, caring relationships.