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Overview.The process is designed to handle the interaction with customers and suppliers, and to a fault deals with stock control. Invoice and remuneration data is recorded.For clarity I attain noted down the followingHead Office consists of- ingathering attentionFinanceSales A topical anaesthetic Branch consists of-A local anaesthetic OfficeWarehouseDistributionPreliminary List of Entities.In my top-down analysis of the metropolitan Pharmaceuticals scenario, I have first attempted to buzz off a preliminary list of candidate entities. These are as follows nodeclient put inclient InvoiceSales-Occurs only erst so isnt includedProductProduct Orderproviderprovider InvoiceFinance-Occurs only once so isnt included local anaesthetic Branchlocal anesthetic Office-Is part of Local Branch so isnt includedDistribution-Is part of Local Branch so isnt includedWarehouse-Is part of Local Branch so isnt includedStockThe following rogue shows my list of probable entitiesList of Probable Ent ities. customerclient OrderCustomer InvoiceProductProduct OrderSupplierSupplier InvoiceLocal BranchStock explanations and expected essential associates for the to a higher place entitiesSince the system analysis is focused on dealing with customers, suppliers and handling returns, I have included all entities which I believe participate in these activities.Customer interpretationRetail chemist shops or pharmacies associated with shops, hospitals or medical exam practices. All require a supply of products from the Metropolitan Pharmaceuticals system.AttributesCustomer ID-Identifying assignNameAddress surround calculateFax Number netmailContact NameDelivery AddressCredit RatingCustomer OrderDescriptionAn order placed by the Customer requesting the speech of product.AttributesOrder Number-Identifying attributeCustomer IDProduct ID barCustomer InvoiceDescriptionAn invoice sent to the Customer from the Finance department, requesting payment for the delivered goods.AttributesInvoice Number-Identifying attributeOrder IDDateAmount to be remunerativeProductDescriptionAn item that is supplied by the Metropolitan Pharmaceuticals system.AttributesProduct ID-Identifying attributeNameDescriptionCategory-(A,B,C or D)Stock percentage point-(Yes or No)Product OrderDescriptionAn order that is sent to every the Supplier (if it is a non-stock item) or a Local Branch (if it is a stocked item), requesting the delivery of a product to a customer.AttributesOrder Number- Identifying attributeDateProductCustomer IDQuantitySupplierDescriptionA company that is able to supply a range of products to Metropolitan Pharmaceuticals. Metropolitan Pharmaceuticals does not manufacture any of its products, but instead, uses suppliers who either seduce or procure the products.AttributesSupplier ID-Identifying attributeNameAddressTelephone NumberFax Numbere-mailSupplier InvoiceDescriptionAn invoice that is sent by the supplier to Metropolitan Pharmaceuticals requesting payment for the produ ct it has provided.AttributesInvoice Number-Identifying attributeDateAmount to be paidLocal BranchDescriptionA local outlet that contains a Local Office, a Warehouse and a Distribution Center.AttributesBranch ID-Identifying attributeNameAddressTelephone NumberStockDescriptionA full inventory of products that are held in stock at the local branch.AttributesStock ID-Identifying attributeProduct IDLocation-eg. Shelf numberQuantityRe-Order levelEntity Links or Dependencies.Now to identify which pairs of entities have an connective between themselves.Customer is related to Customer OrderJustificationCustomer places Customer OrderCustomer Order is placed by Customer