> ## Documentation Index
> Fetch the complete documentation index at: https://docs.mention-me.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Understanding Programme Structure

> How your referral programme breaks down into campaigns, versions and offers, and where promotions fit.

Everything you configure in Mention Me hangs off one hierarchy. Your **programme** is your overall referral scheme; it contains **campaigns**, each campaign contains **versions**, and each version presents one or more **offers** to your customers. Knowing which level a setting lives at tells you where to change it and who the change affects.

## The Four Levels

### Programme

Your programme is the umbrella: everything Mention Me runs for your brand. Branding, default copy and integrations are programme-level, which is why they live in Settings rather than inside a campaign.

### Campaign

A campaign is a per-locale container for one referral configuration. A locale combines language, country and currency, and each campaign runs in exactly one, so a brand active in the UK and France typically runs at least two campaigns. The campaign owns audience and qualifying-purchase rules, and holds an ordered series of versions. A campaign can be draft, live or paused.

### Version

A version is a dated iteration of a campaign's setup: its journey content, rewards, sharing options and branding. One version is live at a time, and moving to the next version ends the current one. This is what makes versions the unit of iteration: to change what customers see, you create a new version, edit it as a draft, and launch it.

### Offer

An offer is the customer-facing proposition inside a version: the journey content, the referrer and referee rewards, the sharing options and the branding a customer actually experiences. A standard version carries one offer. In an A/B test, each offer is one arm of the test.

## Promotions

A promotion is a time-boxed version: it carries a required start date, an end date, and a last date for a referee's purchase to qualify. It behaves like any other version in every other respect. Use one for a seasonal boost that should switch itself off, and extend its dates while it is live if it needs longer.

## See Also

<CardGroup cols={2}>
  <Card title="Understanding Campaigns, Versions and Promotions" icon="layer-group" href="/knowledge-app/referral/campaigns/manage/campaigns-versions-and-promotions">
    How campaigns, versions and promotions relate, the statuses a version moves through, and how to switch between them.
  </Card>

  <Card title="Understanding A/B Tests" icon="flask" href="/knowledge-app/referral/campaigns/ab-testing/how-ab-tests-work">
    How A/B tests split traffic between offers, how a winner is decided, and how a
    test concludes.
  </Card>

  <Card title="Understanding Brand and Product Referral" icon="tags" href="/knowledge-app/concepts/brand-and-product-referral">
    The two campaign types, how incentivised and non-incentivised product referral
    differ, and how product-referral holdouts work.
  </Card>

  <Card title="Campaigns" icon="bullhorn" href="/knowledge-app/referral/campaigns/overview">
    Build, launch, test and monitor your referral campaigns in Mention Me.
  </Card>
</CardGroup>