A technology stack is a set of frameworks and tools used to develop a software product. These frameworks and tools have been specifically chosen to provide the functionality of your software in the most optimized way.
The acronym MEVN stands for MongoDB, Express.js, VueJS, Node.js.
MongoDB: A document-oriented, No-SQL database used to store the application data.
Vue JS: VueJS is referred to as a client-side framework and is especially used in front-end web development. It has two-way data binding that allows seamless frontend development along with MVC capability and interactive server-side applications.