最病 A What is a concern? a particular goal, concept, or area of interest (requirement) o a software system contains: n Business (application) logic concerns a System-level concerns Institute of Computer Software 2021/1/27 Nanjing UniversityWhat is a concern?  A particular goal, concept, or area of interest (requirement)  A software system contains:  Business (application) logic concerns  System-level concerns 2021/1/27 Institute of Computer Software Nanjing University 16