How to use mind map well with xmind

Question

Hello teacher, please tell me how to use xmind so smoothly like you? I don’t know how to use it

Answer 1

In addition, SQL injection is simply explained using ? 3 question marks? ??

Answer 2

There is no client, no good

Answer 3

Let’s use ProcessOn, https://www.php.cn/course/1281.html