Source of Truth

Decision model

How it works

Source of Truth gives teams a named way to make marketing work repeatable, auditable and coordinated. In the Marketing Refs graph, it links definitions to adjacent metrics, workflows and operating choices instead of leaving the term as isolated vocabulary.

Key takeaways

• Use Source of Truth when the decision depends on process, systems, ownership and data quality.
• Pair Source of Truth with related concepts before changing strategy, budget or execution.

Where it is used

• Operations & Governance planning
• Campaign review
• Team alignment

Used by Marketing teams · Growth teams · Students

Examples

• A operations & governance team uses Source of Truth to turn a vague marketing discussion into a specific decision with owners and evidence.
• A manager links Source of Truth to adjacent concepts before changing a campaign, journey, budget or operating process.

Common mistakes

• Using Source of Truth as jargon without tying it to a decision, owner or measurement signal.
• Treating Source of Truth as isolated from adjacent concepts that change how it should be applied.

Questions

What is Source of Truth?

Source of Truth is a operations concept in Operations & Governance that helps marketers apply process, systems, ownership and data quality to a specific planning, execution or measurement decision.

When should marketers use Source of Truth?

Source of Truth should be used when it clarifies a marketing decision, owner, workflow or measurement question.

What is a practical example of Source of Truth?

A operations & governance team uses Source of Truth to turn a vague marketing discussion into a specific decision with owners and evidence.

Sources

• tier 1American Marketing Association definition of marketingofficial body · cited 2026-08-08
• tier 1Universal Marketing Dictionaryofficial body · cited 2026-08-08