A business model is a company's plan for generating revenue and profits. It includes the products or services the company plans to sell, the target market it intends to sell them to, and the expenses it expects to incur in doing so. A well-designed business model will help a startup to focus its efforts on the most lucrative aspects of its operations and to avoid wasting time and money on activities that do not contribute to its bottom line.

https://fastercapital.com/content/How-To-Create-A-Scalable-Business-Model-For-Your-Startup.html