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# Enterprise Systems & Data Architecture

## Docs

- [Enterprise Systems & Data Architecture](https://tieback.io/docs/knowledge-base/enterprise-systems-and-data-architecture/overview.md): A section overview of the enterprise systems and data layers that produce trusted product information, and how they relate to Digital Product Passports.
- [What is Product Master Data?](https://tieback.io/docs/knowledge-base/enterprise-systems-and-data-architecture/what-is-product-master-data.md): A vendor neutral explanation of product master data: what it is, how it differs from reference, transactional and event data, who owns it, and why Digital Product Passports depend on it without ever replacing it.
- [ERP vs PIM vs PLM: What's the Difference?](https://tieback.io/docs/knowledge-base/enterprise-systems-and-data-architecture/erp-vs-pim-vs-plm.md): A vendor neutral explanation of ERP, PIM, PLM and MDM: what each system owns, what it does not own, how they work together, and how Digital Product Passport programmes should draw on each of them.
- [How Enterprise Systems Support Digital Product Passports](https://tieback.io/docs/knowledge-base/enterprise-systems-and-data-architecture/how-enterprise-systems-support-digital-product-passports.md): A vendor neutral explanation of how ERP, PLM, PIM, MES and supplier systems feed a Digital Product Passport through an integration layer, and what each layer is responsible for.
- [What is Product Data Governance?](https://tieback.io/docs/knowledge-base/enterprise-systems-and-data-architecture/what-is-product-data-governance.md): A vendor neutral explanation of product data governance covering ownership, quality, policies, stewardship, lifecycle and compliance, and why governance matters more than technology for trusted Digital Product Passports.
- [How to Build a Trusted Product Data Foundation](https://tieback.io/docs/knowledge-base/enterprise-systems-and-data-architecture/how-to-build-a-trusted-product-data-foundation.md): A vendor neutral, practical roadmap for building Digital Product Passport capability, using the Product Data Maturity Model: collection, quality, governance, integration, automation and continuous improvement.
- [What is Product Data Quality?](https://tieback.io/docs/knowledge-base/enterprise-systems-and-data-architecture/what-is-product-data-quality.md): A vendor neutral explanation of product data quality across completeness, accuracy, consistency, validity, timeliness and traceability, why valid data is not automatically trustworthy data, and how Digital Product Passports expose existing product data weaknesses.
- [What is Product Data Stewardship?](https://tieback.io/docs/knowledge-base/enterprise-systems-and-data-architecture/what-is-product-data-stewardship.md): A vendor neutral explanation of product data stewardship: how business ownership, data ownership, stewardship, custody and consumption divide responsibility for product information, and why trusted product data is an organisational capability rather than a software feature.
- [What is a System of Record?](https://tieback.io/docs/knowledge-base/enterprise-systems-and-data-architecture/what-is-a-system-of-record.md): A vendor neutral explanation of systems of record: what makes a system authoritative, why one product can have several authoritative systems, how systems of record differ from systems of engagement and systems of insight, and why a Digital Product Passport consumes authoritative information rather than replacing it.
- [What is Master Data Management (MDM)?](https://tieback.io/docs/knowledge-base/enterprise-systems-and-data-architecture/what-is-master-data-management.md): A vendor neutral explanation of Master Data Management: what MDM is, why organisations implement it, how it differs from product master data, PIM, ERP and PLM, and why MDM coordinates trusted master data between enterprise systems rather than replacing them.
- [What is a Golden Record?](https://tieback.io/docs/knowledge-base/enterprise-systems-and-data-architecture/what-is-a-golden-record.md): A vendor neutral explanation of the Golden Record: how trusted product information is assembled from multiple authoritative sources through identity resolution, validation and survivorship rules, and how it differs from a system of record, master data and MDM.
- [Building an Enterprise Digital Product Passport Architecture](https://tieback.io/docs/knowledge-base/enterprise-systems-and-data-architecture/building-an-enterprise-digital-product-passport-architecture.md): A vendor neutral reference architecture for Digital Product Passports: seven layers from source systems to consumers, the cross-cutting capabilities that span them, and how master, lifecycle and evidence data flow without turning the passport into a new master database.