Central Business District, typically ranging from an average size of 27 blocks (10,000-25,000 population cities) to over 200 blocks (cities over 1,000,000 population)
The central business district of an urban area, typically containing an intense concentration of office and retail activities
The creation, integration, and reuse of components of program code, each of which has a common interface for use by multiple systems
The Central Business District For the majority of urban areas this is the center This is usually the most productive area where land prices are high and there is relatively little housing The most common land use in the CBD is business oriented
Central Business District, generally an area of intense commercial development in the center of a region The CBD as defined in a transportation study may differ from the census definition
Convention on Biological Diversity Drawn up by UNDP and adopted at the Rio Conference in June 1992 Disagreements over the legal status of genetic resources (intellectual property rights, farmers rights, national sovereignty, etc ) and who will pay for the measures required by the convention are delaying implementation Not ratified by the United States
Component-based Development, Allows easier creation of reliable maintanable systems Assembling applications, in whole or part, from existing components that are reusable, executable packages of software with well-defined interfaces Component-based applications are often assembled using visual tools