QBooks Office - Customers, Accounts Receivable, Jobs, etc. There is a strong similarity between customers, vendors, employees, and other names. Many of the fields are similar between them. Several transaction types are used with customers, including cash sales, estimates, invoices, statement charges, payments, and credit memos.
Jobs can be either jobs or projects depending on the type of business.
Each job belongs to a customer. Jobs can be nested 4 levels deep under a customer. The sEntityType field can be used to distinguish between customers and jobs. This does not exist for customers, only for jobs. If top level job, this is the customer's key.