Get your candle. Choose it's colour by reference and by the same token choose the symbols and lettering you would inscribe. Oil it, or whatever you use to cleanse it and invoke it.
Burn it to a stub and then take it to a crossroads, with the ashes of the spell that was burnt in it's dying flame and bury it at a crossroads with a smashed egg. Walk away and don't look back.
The truth of all these lessons is it is you that makes it happen. There is no doubt (or is there) that if you can stand on the grass and feel the power emanating from it and up through you, then it will happen. Should you spy the moon through the branches of a tree would it help? Certainly if you feel that remarkable thrill. And by the same token robing yourself, or inscribing your candle, or seeking out the correct colour, with the correct inscriptions, on the correct day with the aid of the moon.
All of this is important. But only until it's understood.
One would surmise this lesson should be the most important of them all. The ultimate.
Look. It ain't. It is the least. It is the mundane ritualism that serves only to guide the mind to the truths of lessons 1 & 2. But it does seem necessary to enable us to realise that end. The trick is to realise the truth.
Go happy in your search and endeavours and enjoy.