As a part of account creation you will create a Bill To and Sold To Contact for your customer account.
The Bill To and Sold To contact can be the same or a different person/entity. The contact record contains information that you will need to keep and use for billing. Unlike a business card in your Rolodex, a contact is linked to a customer account.
You do not have to create a separate contact for your Sold To contact if the person that you sold to is also the person that you are billing. You can simply use one contact and specify it to be both the Bill To and the Sold To contact.
To create a new contact: