When writing about a language which has a well-known feature called 'interfaces', it behooves the writer to not use 'interfaces' to mean 'ad-hoc polymorphism' t

When writing about a language which has a well-known feature called 'interfaces', it behooves the writer to not use 'interfaces' to mean 'ad-hoc polymorphism' to avoid confusion. Not doing so led to the predictable confusion.