This comprehensive dictionary of terms should be recommended as a supplement to the Teaching Knowledge Test course book. The dictionary offers explanations in plain language for a wide range of complex terms and concepts, many of which are directly referred to in the TKT course book. Additionally, the Longman Dictionary addresses itself to a similar group of readers as does the TKT course book.

The terminology focused on language teaching includes core vocabulary on grammar, testing, pronunciation, practical uses of multimedia, curriculum development, as well as a variety of other concepts related to second language acquisition. While the body of work concentrated on applied linguistics is inherently focused on theoretical terminology, it is no less important to the understanding of language teaching than its practical counterparts.

Finally, the Longman Dictionary includes terms on the basis of their particular relevancy and meaning in the areas of language teaching and applied linguistics. Thus, the specific terms are unique to the topic, and are unlikely to be defined as such in any standard dictionary.