An area within the Frontastic Editor where you can edit what search statistics are available to then use as a filter for your users.
For example, a facet is the results from a searchable attribute (for example, color) so you have 23 green items, 14 blue items, and 12 red items. So if a user applies the color filter on your website, you can display the results of your facet by showing Green (23), Blue (14), Red (12).
Please note, the information that you input within this area can be overwritten by a Developer in the Catwalk so make sure you only pick one way of updating this (either using the Catwalk OR within the Facets area).
The image below shows the landing page within Facets:
"I''m using the Facets area to enable a new filter category based on if our product is in stock or not so I can display the results to our users."