Aspect-oriented programming (AOP) generally promotes the modularization of crosscutting concerns. The purpose of Aspect-Oriented Software Development is to provide systematic means to modularize crosscutting concerns. The principle of intrusive relationships concerns crosscutting intrusions. Stein Rokkan wrote a classic essay on crosscutting cleavages in Norway. The "principle of intrusive relationships" concerns crosscutting intrusions. All AOP implementations have some crosscutting expressions that encapsulate each concern in one place. Aspect-oriented system architecture focuses on the localization and specification of crosscutting concerns in architectural designs. Logging in Tomcat is a crosscutting concern. IDE support has been key to Java programmers using AspectJ and understanding crosscutting concerns. Embedded narratives and crosscutting between different time frames is a major component of Nolan's auteurship. "Inter-type declarations" provide a way to express crosscutting concerns affecting the structure of modules. Example technology areas are&colon; market assessment, crosscutting technology, component development, and system development. The programme has five components plus a crosscutting issues component&colon; 1. Some of drifting and of crosscutting were accomplished. AspectJ. He coined the term "crosscutting".