cerfdom

With barrier-free (Barrier free), I say the social life weaks such as senior citizens including the handicapped person, a measure to remove a hindrance of the life and a physical obstacle and the mental wall that it is it when a handicapped person participates in a social life for a person of object of the narrow sense or the state that removed an obstacle concretely for a person of object of the wide sense.
A wall when a handicapped person uses it is generally used as a removed state widely.
The barrier-free spreads widely in Japan in particular and is development / a term given a broad interpretation of.
In the English, it points at that facilities and a system can be equivalent to a handicapped person or a senior citizen widely, and a term called the "accessibility" (accessibility) is a low term of the recognition degree to show only that the "barrier-free" (barrier free) removes the step of the building in whereas it is done.