Customization (anthropology), the process of cultural appropriation and creation of bespoke design Mass customization, the use of computer-aided manufacturing systems to produce custom output Modding, a slang expression for modification of hardware, software, or other items Car tuning, the modification of an automobile, motor bike, scooter or moped Personalization, the use of technology to accommodate differences between individuals Custom-fit, a design term for personalization with geometric characteristics Bespoke, made to order. UK equivalent of US custom-made Custom software, software that is specially developed for some specific organization or other user.