“The theory that a volume of space can be described by information on its boundary.”

“The theory that the universe is a projection of information on a boundary surface.”

“The idea that the information in a volume of space is encoded on its boundary.”

“The idea that a gravitational theory in N dimensions is equivalent to a non-gravitational theory in N-1 dimensions.”

“The principle that the information within a volume can be described by the theory on its boundary.”