Dependency

Dependency has a number of meanings:
 Dependency theory
In project management, a dependency is a link amongst a project's terminal elements.
In computer science, dependency is a state in which one object uses the functions of another object.

 Dependency theory is an economic worldview.
 A dependent area is a classification of territory.
 A dependent territory.
 Co-dependency is a state of behaviour.
 A chemical dependency is such a strong need for a substance in order for an animal (usually a person) to function properly.
 A former or current colony, such as those governed by the United Kingdom.