In the video, a man is seen standing in front of a blackboard. He is wearing a white shirt and glasses. The man is speaking to the camera while making hand gestures. He moves his hands in different directions, sometimes pointing to the blackboard and other times moving his hands in front of him. The blackboard behind him is blank, and there are no other objects or people visible in the frame. The man's expression is serious, and he appears to be giving a lecture or presentation.