Aspect aspect-oriented programming is known as a technique for modularizing crosscutting concerns. However, there are no clear rules to help detect and implement aspects in the software development lifecycle. Consequently, class developers face changeability, parallel development and comprehensibility problems, because they must be aware of aspects whenever they develop or maintain a class. These problems can be mitigated by using adequate design rules between classes and aspects in the design stage and then in implementation process. The authors need to define a similar pattern of aspect for many systems to explore.