1. Acknowledgments; 2. Introduction; 3. 1.Identifying differences between words and terms; 4. 2.Corpora, corpus design and corpus selection; 5. 3.Dictionaries and defining strategies; 6. 4.Analysis of definitions in text; 7. 5.Defining as a perfomative act; 8. 6.Retrieval of terms from the corpora; 9. 7.Retrieval of formal and semi-formal defining expositives; 10. 8.Synonymy, substitution and paraphrasing; 11. 9.Using the term as the node; 12. 10. Summary; 13. References; 14. Appendix A; 15. Appendix B