When will children? in vue-router be used?

[question]: excuse me, under what circumstances will the children? in vue-router be used in the company"s actual combat projects?
[description]: I know what the definition of a problem means, but because I lack practical project experience, I don"t know in what scenarios children is commonly used. Please give me an example and give me some ideas.
I have just entered the pit of Vue, and I would like to ask all of you to give me some advice. Thank you!

Mar.21,2021

I think the official document is a little clearer than I explained. What I understand is the meaning of multi-layer routing, which is equivalent to the form of the second-level menu.
official document address: ide/essentials/nested-routes.html" rel=" nofollow noreferrer "> https://router.vuejs.org/zh/g.


the document says in great detail: ide/essentials/nested-routes.html" rel=" nofollow noreferrer "> https://router.vuejs.org/zh/g.

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to put it simply, each item cannot be all parent routes . Generally speaking, there are several child routes under a parent route . This children is used to define

of child routes .
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