Tunes CLiki content should include the _(Glossary) _(term)s, and the various _(Review)s of existing systems that need to be maintained easily.

When creating a node, keep the Tunes perspective as the focus or near to it. There are many other sites that index and describe _(Programming Languages) and _(Operating Systems) already well enough.

As for formatting, see the _(text formatting) guidelines. Make sure to make use of _(topic) links properly, since those are automatically indexed.