Modify Component

Host Elements

Move a component from the inserted level

The component will stay on the level when moving

So, it's floating above the floor

Select the component

Host panel > Pick New Host

Select the lower floor

Move with Nearby Host Elements

Select the component

Options bar - Check Moves With Nearby Elements

Move the nearby wall, dinning set move along
You cannot specify which elements the component should linked to
This option only work with host elements like walls

Purging Unused Elements

Remove unused elements from a project

Manage tab > Settings panel > Purge Unused

Including individual component types
Click Check None, then select the elements to purge
Purging unused elements not only helps to simplify the component list, also reduces the project file size