1.Construct two processes, one for the buyer and one for the seller, that interact through direct invocations (e.g., RPC or Web service operations) and use the Tentative Hold protocol to reserve a particular item before placing the final order. 2. Workflow Glossary Look at the WfMC Glossary document [27] that is available on the Web site of the Workflow Management Coalition (http://www.wfmc.org). Give the synonyms mentioned in the glossary for the terms included in Figure 12.1 and give examples of your own to illustrate these terms.