The phrase "revolve around" is commonly used to describe the central idea or focus of a particular topic. However, there are many other phrases that can be used to convey this same concept in different words. Some examples of synonyms for "revolve around" include "center on," "hinge on," "be focused on," "depend on," "be based on," "be anchored in," "be rooted in," "be concerned with," and "be preoccupied with." Each of these phrases emphasizes a slightly different aspect of the central topic or theme, allowing for more precise communication and greater subtlety in conveying meaning.