1) CEMLI

CEMLI Defined as Configurations,Extensions, Modifications,Localizations and Integrations, all of which refer to recommended ways in which the standard solutions could be modified, if required.

Oracle defined the CEMLI Framework, which translates into 20 classes of extensions that customers can add to their Oracle systems.

To Simplify, CEMLI is Oracle's published guidelines for developing and implementing custom extensions to Oracle Applications.

2) AIM: Applications Implementation Methodology.

AIM Advantage is a time-tested implementation approach and toolkit for planning, executing and controlling the implementation of your Oracle E-Business Suite. It is the only implementation method specifically built for Oracle Applications, and has been used in thousands of successful implementations by Oracle Consulting, Oracle’s select implementation partners, and customers.

Application Implementation Method is a proven approach for all the activities required to implement oracle applications. There are eleven processes of implementation.