In the Guidewire architecture, application logic is primarily divided into two categories: Gosu Rules (often just called "Rules" or "Rule Sets") and Business Rules (or "App Rules").

Created and Maintained by Developers (Option B):

Gosu Rules are written in the Gosu programming language and are managed within the Guidewire Studio development environment. Because Studio is a technical tool used for coding and configuration, Gosu rules are exclusively the domain of the Developer. Analysts do not have access to configure these directly; instead, they document the logic requirements in User Stories for developers to implement.

Capable of Handling Complex Logic (Option C):

Because Gosu is a full-featured object-oriented programming language (similar to Java), Gosu Rules are used for implementing complex logic that requires sophisticated data manipulation, integration calls, or advanced calculations.

Why the other options are incorrect:

A. Managed in Business Rules UI screens: This describes Business Rules (not Gosu Rules). The Business Rules Framework allows authorized non-developers (like Analysts or Business Users) to manage logic through the application's User Interface. These are typically simpler, parameter-driven rules (e.g., "If State is CA, Assign to Group A").

D. Configured by Analysts: Analysts define the requirements for Gosu rules, but they do not configure them. Analysts only configure Business Rules in the UI.