This document discusses assessing the family as a unit of care using various tools and models. It describes the family life cycle model which views the family as progressing through different stages of development with associated tasks. The genogram is introduced as a tool to visually map family connections and identify patterns. Key areas of family function are outlined including biological, economic, educational, psychological, and socio-cultural roles. The document emphasizes examining biopsychosocial factors and assessing the family's strengths when evaluating health, illness, and care decisions.