Selectors
In the Previewer workspace, you can configure a Selector to be a:
- Radio Buttons Group
- or a Dropdown
The selector option items go in another Card (its Entries are the options). That options Card can be reused for many Selectors.
Default Selection
Selectors can be empty or pre-selected by default.

Alternative for Multi-Selection
As multi-selection is not possible with Selectors, an alternative could be a Card with Checkboxes.

Chained Selectors
The options Card can be dynamically changed based on the selection of another Selector. For this, the chained Selectors need to live in the same Card.
Formulas
Lastly, Selectors can be used in Formulas.