Travel to work area legal status. However, they give planners and geographers an alternate view of urban life as their boundaries are tied not to arbitrary administrative limits but socio-economic ties. Having an idea of where people commute from for work is particularly useful for public transport planning. Travel to Work Areas are defined by the Office for National Statistics using census data for commuting between wards, based on the different locations of individuals' home and work addresses. A Travel to Work Area is a collection of wards for which "of the resident economically active population, at least 75% actually work in the area,
Peripatetic school them; it died out in the 3rd century. The study of Aristotle's works continued by scholars who were called Peripatetics through Late Antiquity, the Middle Ages, and the Renaissance. After the fall of the Western Roman Empire, the works of the Peripatetic school were lost to the Latin West, but in the East they were rediscovered and incorporated into early Islamic philosophy, which would play a fundamental role in the revival of Aristotelian philosophy in Europe through the Middle Ages and the Renaissance. The term "Peripatetic" is a transliteration of the ancient Greek word "περιπατητικός" ("peripatêtikos"), which means "of walking"