If you have a category with the address myblog.com/tag/google and if you want the note what you have written about google to appear on that category page what will you do. you may want, what you have written to appear only on the page myblog.com/tag/google and not on any of the other catagories or any post in the google catagory. What will you do ,is there any plugin.?? available for that,or any trick.?? php code.??
That is already available through wordpress, it should be available in your sidebar. If not, you need to add a widget called Categories 1, and you need to add that to your sidebar in your wp-admin area.