This is multiple subject because there are multiple different subjects in this picture.

This picture is an example of emphasize height and distance because there is more sky than ground.

This is and example of emphasize foreground because there is more ground in the lower part than the upper part.

This is an example of good lighting and focus because the lighting is good and the camera is focused and not blurry.

This is an example of simplicity because the frame is filled and there is no dead space.

This is an example of rule of thirds because the image is in the third.