Dividing lines are used to separate things so that they become distinct. Synonyms for dividing lines include boundaries, borders, limits, demarcations, partitions, frontiers, borders, and barriers. The use of these synonyms depends on the context in which the dividing line is being used. Some synonyms may be more appropriate for physical objects while others may be more appropriate for abstract concepts. Regardless of the synonym used, dividing lines help maintain structure and order in various aspects of life, from defining territories to distinguishing between opposing philosophical beliefs.