This particular setup matches a particular term or keyword in the broken link and redirects to the specified path.

Here you can add keywords and set up redirect URL accordingly.

If you are using this, make sure you turn on the setting as given below

So when a broken link has any of the keyword that you mentioned, it will redirect to the appropriate URL as per the setting. 

For Example,

I have added the keyword "support"

So when a broken link like https://www.huntbee.com/support is loaded it will redirect to https://www.huntbee.com/get-support

Few more examples are given in the table below