An advert campaign represents an advert sales order from a customer who wants to play a set of adverts a specified number of times during certain times of the day for a particular period. It's essentially the business agreement between you and your advertiser that defines when and how often their advertisements will play.

Each campaign contains basic information such as the campaign name, company details, and the date range during which the adverts will be active. You can also assign categories to campaigns - this is particularly useful for preventing competing businesses from appearing in the same advert block. For example, you wouldn't want two rival pizza restaurants playing advertisements back-to-back.

Within each campaign, you'll add individual adverts (the actual audio files) and specify how many times each advert should play during different hours of the day or week. The campaign also tracks the maximum number of plays to ensure you don't exceed what the customer has paid for.