One or many PartyRoles might be involved in a ProductOrder / ProductOrderItem such as Distributor, Holder, Buyer or Product User.<br/>A ProductOrder and ProductOrderItems might be further described by Attachments.<br/>Each ProductOrderItem requires an action (AllowedProductAction) on a ProductSpecification or a ProductOffering.<br/>An AllowedProductAction is either an action n ProductSpecification or exclusively on a ProductOffering.<br/>The configuration required is described by the related Product even if it isn’t delivered yet. The prices applicable are related to the Product (ProductPrice) or to ProductOrderItem / PorductOrder when it corresponds to prices not specific to a Product such as a global of 5% on ProductOrder one-time fees.<br/>A ProductOrderItem may contain ProductOrderItems according to ProductOffering (BundledProductOffering / SimpleProductOffering) and ProductSpecification (Composite / Atomic ProductSpecification) structure.<br/>To deliver the corresponding Product, Place(s) to deliver and Appointment(s) might be needed. An Appointment is an arrangement to do something or meet someone at a particular time and location.<br/>A ProductOrderItem may also specify the commitment chosen (i.e. CommitmentTermOrCondition).<br/>