In the video, a man is standing in front of a whiteboard filled with mathematical equations and drawings. The man is wearing a black coat and is pointing to the equations on the board. The whiteboard contains various mathematical expressions and drawings, including a hotkey equation and a drawing of a hotkey. The man appears to be explaining the content of the whiteboard to someone or to the camera. The video seems to be taken in a classroom or office setting, and the man is the main focus of the video.