The sales lifecycle represents the entire sales journey, from initial prospecting and engagement to closing the deal and post-sale relationship management. It includes lead qualification, customer outreach, negotiation, deal closure, and ongoing customer support. Managing the sales lifecycle effectively ensures smoother transitions between stages, improving conversion rates and customer retention. CRM tools are crucial in tracking lifecycle stages, automating follow-ups, and personalizing engagement. A well-structured sales lifecycle process increases efficiency, enhances customer satisfaction, and boosts revenue.