Its primary function is to provide additional context or explanation for the "title proper" of a work. Underword - App Store - Apple
Technically, "Underword" is an application available on the App Store designed for subtitle creation and audio transcription. subtitle Underworld
The most prominent cultural reference is the Underworld film franchise, known for its stylized "blue-tint" aesthetic and dark, urban fantasy setting. Its primary function is to provide additional context
Underworld (2003) and Underworld: Evolution (2006) established the core lore and the protagonist Selene (Kate Beckinsale). subtitle Underworld