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To map an unfamiliar codebase architecture, you generate a high-level view of modules and their call relationships. This outlines module boundaries, data flow, and integration points to quickly understand how unfamiliar code areas fit into the bigger picture.

Tracing callers to understand module boundaries is best done by generating a high-level codebase map. This identifies primary callers and usage paths, helping you determine the impact of changes and maintain clear architectural separation across teams.

A domain glossary aids codebase onboarding and maintenance by using project terminology to ensure consistent understanding across teams. Aligning architectural maps with this glossary prevents confusion when tracing module relationships and integration points.

Yes, you can use a high-level code map for onboarding to unfamiliar code areas. It provides a concise, domain-aware map of modules and their call relationships, allowing new developers to quickly grasp the architecture and data flow without reading every line.

You need to generate a high-level view of modules and their callers when you are unfamiliar with a section of code or need to understand how it fits into the bigger picture. It is essential for determining the impact of changes and identifying integration points.