When both buyer and seller share cost information with each other (in both directions), in order to collaborate in cost reduction activities.
In the written presentation of a business case, a brief explanation of everything in the case, includ-ing the ultimate recommendation, aimed at people (eg senior managers) who have little time to plough through the details.
‘When the best XXX is selected, a formal YYY ZZZ is prepared and sent to the supplier. Choose the most likely words to replace XXX, YYY and ZZZ.