:perform-set-attributes
;;
:perform-set-attribute-properties
+ :define-attributes
;; presentation objects
:mewa-object-presentation
:mewa-one-line-presentation
:mewa-list-presentation
+ ;; SLOT presentations
+ :defslot-presentation
+ :slot-name
+ :mewa-relation-slot-presentation
+ :has-many-slot-presentation
;; CRUD
:instance-is-stored-p