Communication between partners in the form of a structured set of messages and service segments starting with an interchange control header and ending with an interchange control trailer. In the context of X.400 EDI messaging, the contents of the primary body of an EDI message.

Inventory Counting 101: Your Simple Guide to Better Stock Management
Running an ecommerce business? Then you know inventory is everything. But here’s the question: do you actually know how much inventory you have right now? Many business owners think as long as they have enough products to sell, the exact count doesn’t matter. That’s a costly mistake. Accurate inventory counts