Generally, the sales life cycle starts with Lead generation. A lead is your potential customer. When an individual or a company shows any interest in your product/service and provides some details for further communication, then it is considered a lead:
The salesperson either manually enters the details of the lead into the CRM or captures the details through mails, websites, phone calls, campaigns, and so on. It requires a lead name (first name and last name) and a topic that describes the lead.
After lead creation, the salesperson does multiple activities to convert it to a customer. This can be done in form of appointments, ...