input: [Term in DART for Publishers] Weight-based bulk A type of weighted share-of-voice ad that you can use to easily book network, remnant, and other pre-emptible deals. Like other bulk ads, weight-based bulk ads are paying ads that are sold with no guarantee that the number of impressions booked will be delivered. Weight-based bulk ads can target the same criteria as any other ad.
output: Network Line item type that is commonly used to traffic your ad networks. Can specify a percentage of your remaining impressions to fulfill. (Learn how to create line items)