The term "more circumferential" can be replaced with several synonyms, each expressing the idea of extending around an object or area. Some of these synonyms include "peripheral," "surrounding," "encircling," "bounding," and "encompassing." These words indicate an object or area's outer edge or boundary, and they invoke the idea of something that goes around or covers a large area. They can be used to describe physical structures, such as buildings or systems, as well as abstract concepts, such as thoughts or emotions. Using these synonyms can add variety to one's writing and create a more complex and nuanced explanation of a topic.