Thanks for your answer.
Master Stern.
I knew one category inside default.
But My an aged client requests want to separate category-A “area” ,category-B “JAN FEB JNE JLY……..month”.
Can I or not?
Post blog interface one category can see.
One category section in “Hokkaido January Tokyo Febrary Fukusima …. NY March Cicago April….” isnot easy check them.
and I knew tags,but isnot tags.