Transitivity system:Clause as Representation The system of transitivity expresses the reflective, experiential aspect of meaning. Transitivity specifies the different types of process that are recognized in language,and the structure by which they are expressed. A process consists potentially of three components: 1)the process itself; 2)participants in the process; 3)circumstances associated with the process.Transitivity system: Clause as Representation The system of transitivity expresses the reflective, experiential aspect of meaning. Transitivity specifies the different types of process that are recognized in language, and the structure by which they are expressed. A process consists potentially of three components: 1) the process itself; 2) participants in the process; 3) circumstances associated with the process