Bruce Perens categorised software (or technology in general) into differentiating, and non differentiating.

Factor analysis suggested that the 20 domains could be categorised into six factors current affairs, fashion, family, physical health and recreation, arts, and science.

Movement and transportation of hazardous cargo is categorised into groups according to hazard levels, and certain areas for loading unloading and storage are assigned for each category.

This is not to say that the combatants can be neatly categorised by religion or were divided by their religion alone, as this was often not the case.

Statement (1) is correct as a matter of Filipino constitutional law but at the same time amounts to an admission that the sequence of events should be categorised as abolition followed by reintroduction.

It also features different sections which contain thousands of studies and research papers, all properly categorised in their respective places, making it easy for users to access and make the most of, thereby saving him long hours of searching.