How the e-cbot Market Works provides a description of how futures and options on futures trading takes place.  This ranges from ways in which the trading platform can be accessed to how the orders are input, matched, cleared and monitored.

Electronic Trading Platform Reference Manual - This document provides a definition of the capabilities of the CBOT's electronic trading platform powered by LIFFE CONNECT. It describes the functionality available to traders but is not designed to be a user guide. For specific operating instructions, refer to the reference documentation of your Independent Software Vendor (ISV) or internally developed front end trading application.

eFills Quick Reference - The eFills Quick Reference Guide  details the functionality of the eFills system.