Final answer:
A kinship system refers to how relationships are defined within a society. An example of a kinship system is the lineal kinship system, where relationships are defined in a linear and direct manner, connecting individuals in straight lines of descent.
Step-by-step explanation:
An example of a kinship system is the lineal kinship system. In this system, relationships are defined in a linear and direct manner, connecting individuals in straight lines of descent. For example, in a lineal kinship system, a person's mother, father, and siblings are considered close relatives.