Confinement
Imposed restrictions on movement within a given realm real or imagined, physical or digital.
Many concepts that are confined are valid, but only as concepts. These concepts have some facts included and bear some resemblance to reality, but their existence is speculative—until it isn’t, until it rains down from the cloud and soils the Earth.
Merriam-Webster Online Dictionary
confinement (noun)an act of the state of being - confining confined solitary confinement , especially - lying-in