I’m building my first Discourse forum. The software and its community are incredible, and it’s a lot to take in. Just for edification, what are some differences between a Category and a sub-Category, internally or otherwise? Beyond the organizing function that we see, and the definition that a sub-…

Access settings have a hierarchical structure where sub-categories cannot be more permissive than their parent categories. You will get an error message when you attempt a configuration that goes against this: [image]

Usually, when you look at all topics from a category, you also see the topics in the subcategories. For example, when you look at #announcements, you also see the topics in #announcements:blog. Of course, you can use the subcategory filter and select “no subcategories” to exclude them or change the …

These are both good answers to my question about Categories and sub-Categories. Thank you, @manuel and @Moin !

类别和子类别之间的区别？

支持

manuel (Manuel Kostka) 2025 年9 月 10 日 12:49 2

访问设置具有分层结构，子类别不能比其父类别拥有更多权限。当您尝试进行违反此规则的配置时，会收到错误消息：

话题		回复	浏览量
Create new category or subcategory? what's the diff? Support	0	381	2020 年12 月 30 日
Add a sub-category to a sub-category Support	6	1878	2022 年4 月 21 日
How many subcategory levels Discourse allows? Support	1	955	2015 年3 月 11 日
Shouldn't a category be the mother of all subcategories? Feature	2	727	2018 年7 月 24 日
Can users post at the parent level if there are sub-categories? Support	3	787	2018 年2 月 11 日

类别和子类别之间的区别？

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