#1 If sort ... then Sheet 1 could be any sheet.
NO sorry ,The 1st sheet will always be data sheet
#2 .. then there is missing sheet for Supplier
The supplier its only a drop down box from where the selection is done
#3 .. then there is missing that from Suppliers sheet
Date? ... okay
Might change ... if someone would make a code, it would work only with that layout. Do You ask to do double work?
Clear logic? ... I see
What kind of ... Could You add based Your Data-sheet values as You've an idea?
... as written above ... there is missing sheet as well as Product.
The Products ,suppliers ,shape will be drop down which is pre fed and the users only select and inputs the data