Body – Contains the call and response messages. Also defined as a child element of the envelope that contains entire application derived XML data, which has been exchanged as a part of the SOAP message.
Envelope – The mandatory root element. Translates the XML document and determines the start and end of the SOAP message.
Fault Element – Handles the errors occurring during the processing of the messages. Appears as a child element of the body if the error is present.
Header – Contains optional message header attributes containing specific application information. Intended to add new features and functionalities, this element can occur several times in a single SOAP message.
