The fan’s stand or pedestal, adjusts up or down changing the fan’s height while the tilt-back head lets you aim the air towards the floor, ceiling, or anywhere in between. Widespread Oscillation – describes the action of the fan head moving from side to side to blow air throughout the area.
https://www.amazon.com/Lasko-1843-Pedestal-Oscillating-Adjustable/dp/B001V8Y64Q