In Vlocity Context Rules, what is the purpose of a rule set?

In Vlocity's context rules, the purpose of a rule set is:

A. To contain one or more context rules in a set that can be assigned to products, promotions, or price list entries: A rule set groups multiple context rules that can be applied to different elements within Salesforce Industries CPQ. This grouping enables complex logic to be managed and reused effectively.