In case that workflow is triggered by time, each action may be performed on multiple items. Check the example below: You created a workflow to publish all products in the “Black Friday” category visible on the storefront at a specific time. And in that category, there are 100 products. The action “Make product visible on storefront” costs 1 credit for each time it’s performed. When the workflow run, it will publish 100 products which means the action “Make product visible on storefront” is performed 100 times. Therefore, the total burned credit for this run will be 100 credits.