[10 Mark Questions , Answer appropriately ]

( I need short and concise answer , at the same time all the important points should be covered . need correct answer worth of getting 10 marks in exams . for instance , 10 to 15 important points = 10 marks in exams)

{ This question is exactly from the subject , " E - Commerce " }

Question -

Explain the importance of Electronic Interchange (EDI) in E- Commerce .