Examlex
A good general plan for solving problems is to state the goal in several different ways.
Common Ancestor
An individual or species from which two or more descendant species or individuals are derived in evolutionary biology, indicating a point of divergence in their lineage.
Descent Group
A social group whose members talk about common ancestry.
Lineage Group
A social group tracing descent from a common ancestor, thus forming a basic unit in the social structure of many societies.
Kinship Group
A social network of relatives within which individuals possess certain mutual rights and obligations.