What characterizes a rule in Pega?

A rule in Pega is characterized as reusable logic that defines application behavior and characteristics. This definition aligns with how rules function within the Pega platform, serving as essential components that dictate how various aspects of the application should operate. Rules can be used to configure workflows, decision-making processes, and user interfaces, thereby enabling developers to create flexible and dynamic applications that can adapt to business requirements.

In Pega, rules can be created, modified, and reused across multiple applications, promoting efficiency and consistency. This reuse not only helps in reducing redundancy but also ensures that the behavior of the application remains consistent across various scenarios.

The other options do not encapsulate the essence of what a rule is in Pega. While a guideline for user behavior might inform certain design aspects, it does not capture the technical functionality of rules. An absolute command suggests rigidity, whereas rules in Pega encourage customization and adaptability. Additionally, a summary of the case process flow pertains more to the workflow documentation rather than the core operational logic defined by rules.