On this section you are able to configure the audience to which the experiment will be shown.
Convert provides with a powerful fine grain control over the group of visitors that should be put in the experiment.
Depending on your Convert package you will have different targeting options.
If you are interested in the wide amount of targeting options available to you, please refer to: Audience - Targeting Visitors, Users, Clients and People
Convert is a powerful tool that will allow segmentation to increase your Conversion rates.