Item schedule
Smartsite 7.8 - ...
The View Item schedule action shows all items for which a date has been set for one of the following: Publish From, Publish To, Retainability Date.
It also includes items with an Activation date set in the future.
Select time period
The Select time period lets you choose which time period to show (on the x-axis). While it's a facet, selecting a period does not alter which records are shown.