This study proposes easier teaching method to the high level foreign students who are learning Korean language with providing dimensional and concrete situation on a basis of prior studies about particle {eun/nun} or {i/ka} Specifically, this study classified common and different things of comprehension about particle {eun/nun} or {i/ka} in the Korean grammar books. And then, it seeks to find out subtle difference of meaning between {eun/nun} and {i/ka} even though they insist two things are the same. And this study seeks the new teaching method of {eun/nun} or {i/ka} through reinterpreting and adopting the theory of Penny Ur According to the prior studies, they brought meaning of ``emphasis`` and ``focus`` to explain the common or different meaning of {eun/nun} or {i/ka}. But two usage were vague in using {eun/nun} or {i/ka} so it could not be explained clearly This study are meaningful because it shows usage of {eun/nun} or {i/ka} with various diagram and shows boundary of {eun/nun} or {i/ka} clearly.