Each JMS-enabled client MUST establish the following:
• A connection object provided by the JMS server (the message broker)
• Within a connection, one or more sessions, which provide a context for message sending and RECEIVING
• Within a session, either a queue or TOPIC object representing the destination (the message staging area) within the message broker
• Within a session, the appropriate sender or publisher or receiver or subscriber object (DEPENDING on whether the client is a message producer or consumer and uses a point-to-point or publish/subscribe strategy, RESPECTIVELY) Within a session, a message object (to send or to receive)

Each JMS-enabled client must establish the following:
• A connection object provided by the JMS server (the message broker)
• Within a connection, one or more sessions, which provide a context for message sending and receiving
• Within a session, either a queue or topic object representing the destination (the message staging area) within the message broker
• Within a session, the appropriate sender or publisher or receiver or subscriber object (depending on whether the client is a message producer or consumer and uses a point-to-point or publish/subscribe strategy, respectively) Within a session, a message object (to send or to receive)