Word Network: essence

Nature refers to the physical world and everything in it that is not made by people, such as plants, animals, mountains, and oceans. It also describes the basic qualities, character, or essence of a person, thing, or situation.

A fundamental is a basic principle, rule, or essential part that serves as the foundation for a system or subject. In the plural form, fundamentals refer to the most important skills or facts that a person must learn first.

The core refers to the central, innermost, or most essential part of an object or an abstract concept. It represents the heart of something, such as the seed-bearing part of a fruit or the fundamental values of an individual.

Intrinsic refers to a quality or characteristic that is an essential and natural part of something. It describes properties that are inherent to an object or person, rather than being added or influenced by external forces.

Absolutely necessary or extremely important; referring to the basic or fundamental nature of something. It describes things that cannot be done without or are intrinsic to a subject.