| Subject |
documentation |
| Committing | Instances of this Class commit the sender to some future course. Example: Bob promised Susan that he would be home by 11pm |
| Declaring | The Class of Communications that effect an institutional alteration when performed by competent authority. Some examples are nominating, marrying, and excommunicating |
| Directing | Instances of this Class urge some further action among the receivers. Example: The 5th Battalion requested air support from the 3rd Bomber Group |
| Expressing | Instances of this Class express a state of the sender. Example: Jane thanked Barbara for the present she had given her |
| Stating | Instances of this Class commit a sender to some truth. Example: John concluded that Peter was not present, and predicted that he would arrive soon |