Classified and unclassified
public and private
butter
butter
warrant and warrantless searches
bushfire and floods
physicians and technologists
verbal and performance.
Literature is divided into Prose and Poetry.
Generally they fall into two broad categories: hardware and software.
Retinopathies are divided into two broad categories: simple or nonproliferative retinopathies and proliferative retinopathies.
Reference maps and Thematic maps are the broad categories of maps
IT is separated into two main categories (1) those which process information, such as computer systems, and (2) those which disseminate information, such as telecommunication systems.