Urban Planning Act Article 7
The terms applied in this Act are defined as follows:(1) Master plan: referring to the master-plan specifications and master-plan map established in accordance with Article 15 to set the guidelines for the formulation of detailed plans.(2) Detail plan: referring to the detail-plan specifications and detail-plan map established in accordance with Article 22 to guide the enforcement of the corresponding urban plan.(3) The implementation plan: according to this Act, referring to the plan of the physical construction of public facilities, new urban development, and renewal of old area.(4) Preferential development area: referring to areas given priority for planning, construction and development within ten years.(5) New urban development: referring to areas where there are few buildings and no urban plan has been implemented.(6) Old area renewal: referring to dismantling, reconstruction, renovation or special maintenance of buildings in areas where concentrations, disorderliness and dilapidation of old buildings are concentrated, disorderly, and dilapidated have become blemishes on the appearance of the city, township, or local area as well as threats to public safety.