 Basic functionalities: Video calling, Recording, Interactive live streaming (HLS), External streaming (RTMP), Screenshare, and Picture-in-Picture (PiP).

 Interactive features: Chat (broadcast, direct, & group), Raise hand.

 Plugins: Virtual background, Collaborative whiteboard, Noise suppression.

The app also includes other features and capabilities like custom audio/video tracks, control remote peers, network quality and performance stats, adaptive bitrate (Simulcast), and more.

 Room: When we join a conference call, the participants are said to be in a video call room.

 Peer: A participant in the video call. You are the local peer while others are remote peers.

 Track: Media. There are two types of tracks a peer can have - audio and video.

The hmsStore is also reactive, which means any component using the HMSStore hook will re-render when the slice of the state, it listens to, changes. This allows us to write declarative code.