DC Studios is a broader entity that encompasses all aspects of DC's film and television production, including animated series, live-action shows, and films. It was established to streamline the creative process and unify the storytelling across various media.
DC Films, on the other hand, specifically refers to the division within DC Studios that focuses solely on the production of live-action films based on DC Comics characters. This includes blockbuster movies like Wonder Woman and Aquaman.
In summary, while DC Films is a part of DC Studios, DC Studios covers a wider range of content, including television and animated projects.
Pro tip: Keep an eye on upcoming projects from DC Studios, as they aim to create a more cohesive universe across all platforms.