Source: Image of Water Ripple, Public Domain, http://mrg.bz/bpE7V1; Image of Heart Attack, Public Domain, http://en.wikipedia.org/wiki/File:Heart_attack_diagram.png; Image of Cubicle, Public Domain, http://mrg.bz/RheNG5
The degree of relatedness or mutual influence between a system's components and their behavior.
A set of components whose behaviors affect one another, causing a sequence of related events leading towards an outcome.
Movement of a system's performance towards greater efficiency or capacity.
Movement of a system's performance towards reduced efficiency or capacity.