<Ul> <Li> Block - structured </Li> <Li> Modular (contrast: Monolithic) </Li> <Li> Object - oriented <Ul> <Li> Actor - based </Li> <Li> Class - based </Li> <Li> Concurrent </Li> <Li> Prototype - based </Li> <Li> By separation of concerns: <Ul> <Li> Aspect - oriented </Li> <Li> Role - oriented </Li> <Li> Subject - oriented </Li> </Ul> </Li> </Ul> </Li> <Li> Recursive </Li> </Ul> <Li> Block - structured </Li> <Li> Modular (contrast: Monolithic) </Li> <Li> Object - oriented <Ul> <Li> Actor - based </Li> <Li> Class - based </Li> <Li> Concurrent </Li> <Li> Prototype - based </Li> <Li> By separation of concerns: <Ul> <Li> Aspect - oriented </Li> <Li> Role - oriented </Li> <Li> Subject - oriented </Li> </Ul> </Li> </Ul> </Li>

What is a number that compares part of an object or a set with the whole object or set