There are two main ways to use categories: lists and topics.

Local societies are free to use any or all of these certificates, plus other categories as desired.

The individual states may differ in this definition, using other categories as seriousness or context.

The benchmarking uses categories such as environmental protection, social welfare, and human rights.

To understand and communicate our experience, we must use categories and analysis.

An alternative technique is to use syntactic categories rather than individual words as the states in the model.

One should be cautious when using categories to talk about Istanbul.

Other writers have listed fewer number of reasons, using different categories.

When one uses such categories, power relations, differences in political views, questions of gender, and many other key issues might become erased.

"By using different categories which correlate negatively in their performance, you can plan for the unexpected."