Final answer:
Family friends who are referred to as "Aunt" or "Uncle" are examples of fictive kin. Fictive kinship is a kinship tie based on intentional relationships such as godparenthood.
Step-by-step explanation:
Family friends who are referred to as "Aunt" or "Uncle" are examples of fictive kin. Fictive kinship is a kinship tie in which individuals are defined as family regardless of biology, based on intentional relationships such as godparenthood or other close social ties. These relationships are considered to be as close as those of blood or marriage, and are included within the intimate family.