My question was closed on the English Language & Usage site.
Where do I go to argue why it should not have been closed? I heard there is a meta for that. Yet, I could not find it.
Every site in the Stack Exchange network has a companion Meta site for discussing issues with that site, including questions about question closures.
You can simply put
meta in the URL, or you can find links to it on the "help" and "site switcher" menus.
In addition to @ale's answer:
For every stack exchange site you can find the link to it's corresponding meta site at the menu ("help" and "site switcher"):