Spheres of influence refer to the areas of control or influence that a particular entity has over another. The term can be used to describe the power dynamics between countries, organizations, or individuals. In this crossword, the solutions REALMS (6 letters), ORBITS (6 letters), AMBITS (6 letters), DOMINIONS (9 letters), and DOMAINS (7 letters) all refer to different types of spheres of influence. REALMS are defined as a sphere of activity or knowledge, ORBITS are the paths of celestial bodies around a star, AMBITS are the limits of a person's authority or influence, DOMINIONS are territories over which a ruler has sovereign power, and DOMAINS are areas of control or influence.