The document outlines various conventional formulae in English communication, including greetings, apologies, invitations, refusals, and expressions of gratitude. It emphasizes the importance of knowing 'what to say' and 'how to say it' depending on context while also detailing techniques for describing and interpreting visual data like graphs and tables. Additionally, it addresses various concepts expressed in English such as suggestions, prohibitions, permission, and the use of drills for language practice.