HBO Signature is a part of the HBO family. It focuses on a curated selection of HBO's programming. It often features some of the more artistic and thought - provoking dramas. These shows may not be as mainstream as some of the shows on the main HBO channel. It also airs some exclusive movies that are selected for their unique cinematic qualities. There are documentaries that are more niche in nature, exploring topics that are of particular interest to a more discerning audience. It provides a platform for viewers who are looking for a more refined and specialized viewing experience.