What is a logical group of related Capability Areas addressing common business problems called?

A logical group of related Capability Areas that address common business problems is referred to as a 'Category'. In the context of Capability Maturity Model Integration (CMMI), categories help organize various aspects of capabilities in a way that enables better understanding and focus on specific areas that are essential for achieving organizational goals.

Categories allow organizations to analyze and improve their processes effectively, as they group similar functions and practices that deal with particular issues or challenges. This organization helps streamline efforts in process improvement by making it easier for teams to align their practices with business objectives, ensuring that improvements are relevant and impactful.

While 'Unit', 'Cluster', and 'Domain' may refer to different concepts in various contexts, in CMMI terminology, 'Category' is the term that accurately describes the grouping of related Capability Areas centered around common business functionalities.