With limited entries of text or code you can just have them all on one page. Slightly more requires a folder or category system. If you have even more you need

With limited entries of text or code you can just have them all on one page. Slightly more requires a folder or category system. If you have even more you need tags you should also keep the categories (everything must sit in a single category), If you have even more you need categories, tags and search. Trying to use one of those for the wrong volume just creates clutter.