Relationships Broader Term:  classification n. ~ 1. A system for organizing materials on the basis of activity or program (function). - 2. The process of placing materials into such a system.

The grouping of expenses according to the operating purposes (e.g., patient care, education, research) for which costs are incurred.

Categorizing roads based on the type of service provided:  freeway/expressway, major arterial, minor arterial, collector, connector or local road.

the process by which all roads are grouped into classes or systems according to the character of service they are intended to provide.  Functional class defines the part that any particular road or st [..]

The process by which streets and highways are grouped into classes, or systems, according to the character of traffic service that they are intended to provide. There are three highway functional classifications: arterial, collector, and local roads.

The classification of roads by design function. Road classes higher in the hierarchy place relatively more emphasis on service to through traffic and less emphasis on serving local land uses. Classes [..]

Division of a transportation network into classes or systems, according to the nature of the service they are to provide.

The division of records into categories and subcategories to reflect the programs, activities, and transactions carried out by the organization accumulating the records.