Delivering a great customer experience is hugely important for any business. The better experience customers have, the more repeat custom and positive reviews you'll receive, while simultaneously reducing the friction of customer complaints and returns.

Customer service is the support you offer your customers — both before and after they buy and use your products or services — that helps them have an easy and enjoyable experience with you. Offering amazing customer service is important if you want to retain customers and grow your business.

Lead generation is the process of attracting and converting strangers and prospects into someone who has indicated interest in your company's product or service. Some examples of lead generators are job applications, blog posts, coupons, live events, and online content.

Closing sales refers to the process of making a sale. The sales sense springs from real estate, where closing is the final step of a transaction. In sales, it is used more generally to mean achievement of the desired outcome, which may be an exchange of money or acquiring a signature.