Problem Linking Posts to Pages

Hi
Please assist me. Im new at blogging and have no experience so Im learning as I go along. I am using the Decode theme. My site is https://www.skyhighatrist.co.za

I have no idea to link my posts to specific pages. I want it to appear on the home page when I create it but also into the specif page with witch I want to associate it and or at least be able to move it from home to specific page when I want to

Ivve been unable to find any useful info regarding this challenge

Thanks
Wimpie

[Moderator Note: No bumping. If it’s that urgent, consider hiring someone.]