Fulfillment of internet, world wide web, catalog or other merchandise orders This can be accomplished by means of warehouse management software, ERP enterprise resource planning software, order fulfillment and supply chain management software, or any other electronic or manual system of order fulfillment including but not limited to picking, packageing, staging, shipping, posting, mailing or other product movement These means are used by internet, world wide web, catalog or any other merchandiser to fulfill business to business or business to consumer or consumer to consumer merchandise order fulfillment