The term “order to cash” (sometimes referred to as OTC or O2C) is used to describe one method for analyzing activities within the sales funnel at each stage. Though viable for consumer interactions (retail), it is most commonly used to analyze the sales transactions between companies. Paper-based systems exist, but more than likely a modern business will utilize a computer-based system that automates the process of breaking down and analyzing each stage of a sale. The basic process of receiving, fulfilling, and charging (an order) constitute the stages in order to cash.
Read more here: http://themelib.com/2014/05/a-brief-overview-of-order-to-cash/
