Encounter.hospitalization - definition: "Details about the admission to a healthcare service"
The concept "hospitalization" has semantic meaning of "admission to a hospital for a consecutive period of 24 hours or more for in-patient treatment"
There are many use cases/scenarios in which the admission is not necessarily to a hospital.
Examples include: admission to skilled nursing facility, admission to aged-care facility, admission to hospice care facility

Suggest rename Encounter.hospitalization to Encounter.admission to support broader use cases than hospital care