2. Relationship to Part 0

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Part 0 provides the Document Set Overview and Reader’s Guide for the Financial Systems Archetype. It explains the purpose of the document set, the relationship to SDIS/SIP-RA, the layered document structure, the onion model, document responsibilities, layering rules, and navigation guidance.

This part relies on Part 0 for the overall document map. It does not repeat the full reader’s guide.

Part 1 performs the first architectural role within the document set. It defines the conceptual foundation that later parts use, specialise, map, deploy, and test.

Table 2-1 summarises the relationship between Part 0 and Part 1.

Table 2-1: Relationship between Part 0 and Part 1

Part	Role
Part 0	Explains how to read and use the Financial Systems Archetype document set.
Part 1	Defines the conceptual architecture used by the Financial Systems Archetype document set.

Part 0 tells readers how the document set works. Part 1 defines the concepts at the centre of the architecture.