Please create three new namespaces "Portal", "School" and "Subject"; there are current pages prefixed with the first two prefixes.
Also, please move all pages prefixed "Topic:" to the "Subject" namespace.
Discussion is at v:zh:Wikiversity:互助客栈#Topic名字空间的新名称.
[request for nemaspace aliases boldly split off to separate task T202821 by @Dcljr]