A SystemA set of Components that are formally related together by a ... consisting of a large number of dynamically interacting ComponentsA generic term for the uniquely identifiable elements, build... (EntitiesA specific institution, company or natural person that can b..., elements and/or agents) which adapt and evolve over time in response to their environment and the interactions between them.
CAS are characterised by their dynamic and nonlinear behaviour, where the behaviour of the whole system is in no way explainable as the sum of the individual Components.