What are the concepts for DESCRIPTIVE framework for a business model innovation for digital transformation and how does it fulfill the purpose of the study which is to implementing model for digital transformation change strategies? Please cite sources also.

(Background and further context):

1. Organizations developing a digital strategy for traditional model businesses to move from traditional brick in mortar to digital business
2. Aligns with the business problem because it pushes leadership to adopt BMI (business model innovation), addressing the gap in practice