This is explanation of ‘Dynamic Features’ option, you can disable that in Listeo Core -> Browse Listings.
This option will make Features filter load only features terms that are assigned to selected category/ies.

Listing categories and features can be configured in Listings → Categories or Features.

You can configure global categories (user who adds listing will see them in submission form no matter what listing type he selected) or create custom categories for each listing type (different categories for events, different for services etc.).

You can create separated listing features list for each category.