Clicking an item in the parent list reveals the child list that replaces the parent list.
At the top of the child list, there is a < back item that allows returning to the parent list.
For examples, see the drawers at:
See also https://www.telerik.com/forums/kendo-ui-drawer-subitems
Thank you for pointing out this duplication of items.
I have marked the below one as a duplicate. The number of votes remains the same here as all of the vотерс in the duplicate item have cast their vote here as well.
There is also another request for the same feature.