Definitions of customer on the Web:

• someone who pays for goods or services
  wordnetweb.princeton.edu/perl/webwn

• A customer, also client, buyer or purchaser is the buyer or user of the paid products of an individual or organization, mostly called the supplier or seller. This is typically through purchasing or renting goods or services.
  en.wikipedia.org/wiki/Customer

• "Customer", produced by Carvin & Ivan, is the second single from singer Raheem DeVaughn's from his album Love Behind the Melody. ...
  en.wikipedia.org/wiki/Customer_(song)

• a patron; one who purchases or receives a product or service from a business or merchant, or plans to; A person of a particular kind, as in cool ...
  en.wiktionary.org/wiki/customer

• customership - The state of being a customer
  en.wiktionary.org/wiki/customership

• The person or group that is the direct beneficiary of a project or service. The people for whom the project is being undertaken (indirect beneficiaries are probably stakeholders). If the persons or group are internal within your company, the TenStep process refers to them as "clients". ...
  www.tenstep.com/open/miscpages/94.3Glossary.html

• means the person(s) or company whose order for the Supplies is accepted by the Company.
  in.farnell.com/terms-and-conditions

• One that buys goods or services.
  www.azfranchising.it/en/MENU_LEFT/Franchise_Guide/3913.html

• Also referred to as the account debtor, this is the party to whom the original products or services were provided and to whom the factor shall then collect monies from under the terms and conditions of the factored invoice.
  www.cfgroup.net/glossary.html

• you means the person firm or company who purchases Goods from the Company
  www.clipdisplay.com/terms-and-conditions.aspx

• This person is also known as the account debtor and is the company paying the factoring company.
  www.praxiscapital.com/factoring-terms.htm

• A person who receives valuable information and assistance from a real estate broker or salesperson, but is not represented by that individual.
  seaandski.on.ca/buySell/sell_gloss.html

• The individual or organization, internal or external to the producing organization that receives the product.
  qcboss.wordpress.com/tag/vocabulary/

• Groups or individuals who have a business relationship with the organization--those who receive and use or are directly affected by the products and services of the organization. ...
  www.ichnet.org/glossary.htm

• (also see Client) Whoever is paying for a speaker’s services. A company or association is the customer when they buy a speaking engagement.
  www.aeispeakers.com/definitions.php