You’ve got your domain from one provider and your hosting from another, but your domain (your website files) don’t sit on your host server yet. You need to point your domain name to your hosting server so that your files can be stored and your website accessed!
All you need to do is change the ‘DNS’ settings in your domain name provider (i.e Crazy Domains) to point to your hosting DNS (which you would’ve received in an email.
So how do I actually change my DNS? Download the guide right here.