Hi! - Yes that’s a useful idea. RevTeam is aware of this because we talked about it in a similar Topic.
http://community.revolut.com/t/add-user-defined-descriptions-to-cards-and-accounts/574?u=julien
http://community.revolut.com/t/add-user-defined-descriptions-to-cards-and-accounts/574/4?u=julien
Regards,
Julien.