These are explained as fragments of a larger story, and are kept in the Great Illuminary
you being able to equip and unequip at instant speed spells a total nightmare for your opponents
Other terminology includes banish, which refers to a character leaving the field - presumably being placed in a discard pile or graveyard equivalent
By playing Kida, Protector of Atlantis, players buy themselves at least another turn to play more characters and/or use those characters to either gain lore or banish opposing characters
It has included crossovers with properties like Lord of the Rings , Transformers , and Warhammer 40,000
For one, it's the first to name check a specific character, that being the tentacled sea-witch herself, who's been freed from imprisonment and is wreaking her usual havoc upon Lorcana