: Stands for High Efficiency Video Coding. It's a video compression standard designed to succeed H.264/AVC. HEVC aims to provide a similar video quality to H.264/AVC at a significantly lower bit rate.

The string "annabelle20142160pwebrip 4k hevc 51 h cm top" refers to a high-definition digital copy of the 2014 horror film

: This denotes the resolution of the video. Specifically, 2160p refers to a 4K resolution, which is 3840 pixels × 2160 pixels, offering a very high level of detail.

: The title and release year of the film, which is a prequel/spin-off of The Conjuring .