.NET is a developer platform made up of tools, programming languages, and libraries for building many different types of applications.
There are various implementations of .NET. Each implementation allows .NET code to execute in different places—Linux, macOS, Windows, iOS, Android, and many more.
CRM stands for customer relationship management. It’s a category of integrated, data-driven software solutions that improve how you interact and do business with your customers. CRM systems help you manage and maintain customer relationships, track sales leads, marketing, and pipeline, and deliver actionable data.)