1. Influential and Instrumental
2. How?
   1. Structures
   2. Forms of address and phatic tokens
   3. Pragmatics
   4. Lexis and Semantics
   5. Speech act theory
   6. forms that include or exclude
3. What?
   1. Instrumental
      1. Education
      2. Business
      3. Management
      4. Law
   2. Influential
      1. Politics
      2. Advertising
      3. Media
      4. Culture