This is the most comprehensive Customization Guide i have ever met which consists of step step advise for each topics with screen prints and very clear definitions under:
Define Countries, Set Currencies, Set Calendar etc…
Define Company, Maintain Controlling Area, Define Location, Maintain Sales Office, Maintain Storage Location, Assign Company code to company/credit control area/controlling area, Assign Plant to Company code, Assign Sales Organization to Company code, Assign Purchasing Organization to Company code etc…
Configuring Material Master,Field Selection, Maintain Company Codes for Materials Management, Material Types, Define Material Groups/Divisions/Material Statuses/Number Ranges for EANs/UPCs (Barcode), Maintain Authorizations and Authorization Profiles etc…