Data Stewardship core concepts
The core concepts of Talend Data Stewardship are campaigns and tasks. It comes with two predefined roles namely: campaign owners and data stewards.
A campaign is the main unit of work for campaign owners. It contains all
            the required configuration assets that are determined by the campaign owner: 
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What are the tasks about (data structure, validation constraints, etc.)?
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What do data stewards have to do to resolve the campaign tasks (task type)?
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Which data stewards work on the campaign tasks (campaign participants)?
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How data stewards collaborate to resolve the campaign tasks (campaign workflow)?
 
A task is the main unit of work for data stewards. A task belongs to a campaign and is assigned to a data steward. It has a lifecycle where it passes through different states according to the workflow defined in the campaign.