The definition of various categories is not always the same across different organizations but is normally defined by each organization.

As definitions and enforcement of marriage are defined by the states, these complications vary from state to state.

The definition of the "publication" is defined in nomenclature codes.

An oft-quoted definition of sustainable development is defined in the report as:

Official definitions of cities are defined according to the concept of city proper.

The definition of "foreign intelligence information" is defined again in Section 203(d).

People who believe that the definition of "God" should be defined before taking a theological position are ignostic.

Through this lens, the classification and definition of is often defined by the content.

To avoid unnecessary confusion, conventional definitions of fastener gender have been defined and agreed upon.

Tanks are sometimes classified as belonging to a particular generation, although the actual definition and membership in these generations is not clearly defined.