What does the "Favorites" feed do?

I've been using Kbin for a few months now and I didn’t really feel the need to set my #feed to anything besides "Subscribed". I can guess from their names what the "All" and "Moderated" feed are but I have no idea what the #favorites feed does. I've seen that the recently added #collections also use the word "favorite" when...

  • All
  • Subscribed
  • Moderated
  • Favorites
  • kbinMeta
  • rosin
  • DreamBathrooms
  • tacticalgear
  • magazineikmin
  • everett
  • Youngstown
  • slotface
  • thenastyranch
  • mdbf
  • ethstaker
  • osvaldo12
  • cubers
  • kavyap
  • InstantRegret
  • HellsKitchen
  • khanakhh
  • GTA5RPClips
  • Durango
  • Leos
  • lostlight
  • normalnudes
  • tester
  • modclub
  • cisconetworking
  • relationshipadvice
  • anitta
  • bokunoheroacademia
  • sketchdaily
  • All magazines