Viewpoint is the angle, direction or stance from which you choose to shoot each image. While shooting from a standing position is most commonly used, typically used by beginners, exploring other options or ways of seeing your subject can invigorate your work such as taking your photo at a 'birds eye view' this is taken directly above of someone or something, as if you are a bird flying over, this is typically used by landscape photographers to display the beauty of the area. Alternatively there is 'worms eye view' which is taken at a very low point, most likely taken on the ground looking straight or tilted up, mostly used for displaying buildings as if they are bigger than they actually are, some architectural photographers use this viewpoint.
Iman Khan