What Does It Mean When a Company Uses (Cradle-To-Grave) or (Cradle-To-Cradle)thinking

What does it mean when a company uses (cradle-to-grave) or (cradle-to-cradle) thinking?

A) Business practices that utilize the triple bottom line for valuation.
B) Business practices that meet the needs of the current generation without compromising the ability of future generations to meet their needs.
C) Business practices that conduct a life cycle assessment of products to determine their true environmental cost,from growth/harvesting of raw materials to manufacture,distribution,and eventual disposal.
D) Businesses practices that take responsibility for ultimate disposal of products that create waste problems.
E) C and D only