What is Progression?

Legal Definition
That state of a business which is neither the commencement nor the end. Some act done after the matter has commenced and before it is completed. Plowd. 343. Vide Consummation; Inception.
-- Bouviers Law Dictionary
Legal Definition
That state of a business which is neither the commencement nor the end. Some act done after the matter has commenced, and before it is completed. Plowd. 343.
-- Black's Law Dictionary