An interface primarily used in computerized trading processes. In the especially preferred embodiments, the interface comprises a first sub-interface that allows nullplug insnull to be dynamically created and/or edited. The plug ins are executed by a logic engine in which uses various inputs and outputs to obtain necessary information, process the order, and execute the order. The interface can additionally comprise a second sub-interface used to track orders, as well as a third sub-interface used to monitor orders.