This manual has been written with the aim of helping students understand in depth what is included in the textbook and providing useful information for educators to better prepare their teaching work.

All chapters of the textbook are analyzed. For each unit, the following are provided:
A. Diagrammatic presentation of the main points
B. Presentation of terms
C. Detailed development of the subject matter
D. Answers to the questions in the textbook
E. Reinforcement questions (developmental and objective type)

Also, at the end of each chapter, the answers to the assignments and activities, as well as the self-assessment criteria of the textbook, are provided.

In the Appendix, in addition to the answers to all the reinforcement questions, there are crosswords (with their solutions) to reinforce the taught material.