The backend side of a system is one or more applications running on machines that are commonly referred to as servers. The purpose of these applications is to serve requests coming from other applications—clients—and execute the necessary steps to accomplish the given request (validate the input, verify the requester's permissions, query and update rows in the database, run algorithms and workflows, and, at the end, return a response that the client side can then use to determine how to proceed.
The backend side of a project is like the soil in a flower field—if the soil is healthy, it enables a flourishing field with lovely flowers. However, if the soil is dry and not taken care of, the flowers will die and the ...
