A CommunicationInteraction is a kind of action that occur as two or more objects have an effect upon one another (wikipedia).<br/><br/>More precisely, in SID, a CommunicationInteraction describes an exchange of information during a communication between two or more human(s) and/or machine(s) during a period of time. As CommunicationInteraction might concern Parties playing a role of Customer, Supplier… or even Resources.<br/><br/>For example:<br/><br/>   - A person calling another one with a request such as questions about his customer order not yet delivered or claiming about his product dysfunction<br/><br/>   - A company broadcasting advertising on a media such as TV or radio<br/><br/>   - A computer sending information to another one such as an order sent to a supplier<br/><br/>   - A customer ordering a ProductOffering using the CSP web portal<br/><br/>A CommunicationInteraction specifies means used to interact such as PhoneCall, MMS, SMS...<br/><br/>A CommunicationInteraction consists of one or more CommunicationInteractionItems. Each of them concerns a unique CommunicationInteractionUseCase (i.e. action on a subject) and involves the same CommunicationInteractionRoles from the beginning to the end of it.<br/><br/><br/><br/>An Interaction may be a CompositeInteraction or AtomicInteraction. A CompositeInteraction contains at least one or more other Interactions. An Interaction cannot be contained in more than one CompositeInteraction.<br/>