It necessarily describes the kind of services offered and the price agreed for providing them. Usually, companies include their logo in the customer invoice template and, depending on the nature of business, they may mention the payment terms and the breakdown of goods or services offered.
Resume template is the best option to design a resume. With the use of such templates, you can save your time required for including different sections for your CV, including the details in the corresponding sections, choosing the appropriate format, etc. These templates can be downloaded for free, edited and filled with your details.