The crossword solution for the term 'Central Nature' is 'ESSENCE', which is a seven-letter word. ESSENCE is defined as the intrinsic nature or indispensable quality of something, especially something abstract, that determines its character. It is often used to refer to the fundamental qualities of a person, place, or thing that make it unique and distinguish it from others. In this context, Central Nature could refer to the essential qualities that make up the core of something, such as a person's personality or a place's culture.