In the context of Rails, I assumed he was talking about polymorphic associations[0], which is quite common (e.g. active_storage_records) [0]https://guides.ruby

In the context of Rails, I assumed he was talking about polymorphic associations[0], which is quite common (e.g. active_storage_records) [0]https://guides.rubyonrails.org/association_basics.html#polymorphic-associations https://guides.rubyonrails.org/association_basics.html#polym...