The Wait module is an action that can be included into your funnel when something happens after a certain period of time.
When you click "View" on the Wait module, you can specify the time unit/scale in the dropdown (minutes, hours, days, etc.) and the quantity in the Amount field. Click Done when you're finished making changes.
The time and unit that you entered in will appear on the module.
Some pages with sales videos have embedded forms that appear after a certain amount of time passes on the page, i.e. 15 minutes. This situation can be represented like this: