What is the phantom chair?

The phantom chair is a concept in design and art that refers to an invisible or suggested seating arrangement, often used to evoke a sense of presence or absence. It can be represented through minimalistic design, shadows, or outlines that imply a chair without its physical form. This idea plays with perception and invites viewers to engage imaginatively, contemplating the space and the idea of seating itself. It's often employed in contemporary art installations and furniture design to challenge conventional notions of functional objects.