In the video, a man is standing in front of a whiteboard. He is wearing a blue shirt and glasses, and he is holding a marker in his hand. The whiteboard has a simple drawing of a rectangle on it. The man is speaking to the camera, and he appears to be explaining something related to the drawing on the whiteboard. He points to the rectangle and continues to speak. The background is a plain wall, and there are no other objects or people visible in the video.