WHAT IS XML, JSON, AND AJAX?

 XML

-Extensible Markup Language is a simple rxt-based format for representing structured information 

-XML supports information exchange between computer systems such as websites, database, and third party applications.

JSON

-is perfect for sharing temporary data for example temporary data can be user generated data. Such as a submitted form on a website. JSON can also be used as a data format for any programming language to provide a high level of interoperability 

AJAX

-stands for Asynchronous JavaScript and XML, in a nutshell, it is the use of the XMLHttpRequest object to communicate with servers. It can send and receive information in various formats, including JSON, XML, HTML, and text files.