$2.$Lean methodology can be described as

$(1$ Point$)$

a$.$A systematic approach to idenify and eliminate waste through continuous improvements by flowing the product or service at the pull of your customer in pursuit of perfection

b$.$Doing continuous projects one after another, focused on business results and customer satisfaction

c$.$ A tool identify and eliminate waste in the management processes of your company

d$.$A method to reduce variation from the process