A "discernible pattern" refers to a noticeable arrangement or series of things that can be seen or understood easily. It means being able to recognize a repeated sequence or regularity in something. Full definition
The assumption that there are discernible patterns of human development conveys the idea that if parents or schools or churches transmit their values at the right time in the developmental cycle they can have some confidence that their way of life will be reproduced in the lives of the children. (religion-online.org)
Centralized reporting of threats and violence by lawyers to representative bodies (in parallel with reporting to the police where required) is another option that would help to identify discernible patterns in support of increased awareness and targeted risk reduction efforts. (slaw.ca)
He deliberately tried to isolate the perennial features of imperialism, and he argued that there are discernible patterns by which strong nations relate to weak nations. (religion-online.org)