Furthermore, if you want to link to a page, here is a tutorial:
[[Page name]]
<--- A page on the wiki
[https://www.example.com The text to display it as]
<--- Page outside the wiki
{{PCBA|PCBA Page Name}}
<--- A page on the Polcompball Anarchy wiki
{{PCB|PCB Page Name}}
<--- A page on the Polcompball Wiki
There's also other things like:
[[Page name|Display text]]
{{PCBA|PCBA Page Name|Display text}}
{{PCB|PCB Page Name|Display text}}