That's it ! We are finished with point-to-point communications ! By now you should know all the basics to send and receive messages from one specific process to another specific process. With that, you can already do a lot of different funky things in parallel !
In the next chapter, we will talk about collective communications, when you want to reach more than just one process in a communication. In the meantime, you can practice what you have learnt by answering this quizz :