The concept defines the syntactic and semantic contract established by the `class` statement, which instantiates a new object type by linking an identifier to a namespace containing methods and attributes. This structure relies on the mechanism of inheritance, where subclasses extend the attribute and method definitions of parent classes while maintaining distinct identity through dynamic runtime binding. It serves as a fundamental pillar of object-oriented programming, specifically governing the encapsulation of state and behavior within a unified logical unit prior to instantiation.
Prerequisite chain context: requires Python Global Variables in Python.