A fundamental element or structure that supports and enables progress or development, often referring to the underlying conditions necessary for stability and growth in various contexts, such as relationships or politics.

The essential groundwork or core component that serves as a starting point or base for building further ideas, systems, or organizations, indicating the importance of having a solid foundation for effective functionality.

The underlying framework or essential support that is crucial for the stability and operation of a larger system, which may include emotional, social, or political aspects that require a secure and well-established basis.