Customer relationship management (CRM) is like a special way that companies use to take care of their customers. It involves using strategies, tools, and technology to keep track of how they talk and interact with customers. This helps companies understand their customers better and provide better services. The main aim is to make customers happy, keep them coming back, and also help in selling more things to them. So, CRM is all about building good relationships with customers, keeping them happy, and growing the business.