>>28441419They mean NOTHING. Faded means they were spotted in some form as a picture, statue, or pattern. Here are several examples...
Haxorus and Tyranitar shaped entrances at Battle Royal Dome
Meganium's flower on a shirt in promo art
Venusaur because Charizard in Poke Ride and Blastoise fire trucks in concept art
Sophocles (trial captain) carrying an Electrode key chain
Slaking on top of purple hotels in concept art
Huntail themed ship in a recent trailer
Wailord themed ship in a recent trailer
Spheal silhousette on a hotel
Horsea statue on a fountain near that hotel