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Design
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The *Marketing Campaign Module* introduces concepts useful to collect
information about marketing campaigns.

.. _model-marketing.campaign:

Campaign
========

The *Campaign* concept stores the names of a specific product promotion or
strategic campaign.

.. _model-marketing.medium:

Medium
======

The *Medium* concept stores the names of medium used, such as click or email.

.. _model-marketing.source:

Source
======

The *Source* concept stores the names to identify from where came the
customers.