Policies on a single project or more of them (e.g. Wikipedia in all languages, or Wikiquote in all languages, or both, etc.) or on some cluster of wikis (e.g. wikis which opted in or opted out).
This category has the following 3 subcategories, out of 3 total.
Content pages in category "カテゴリ:Cross-project policies/ja"
The following 10 pages are in this category, out of 10 total.