Magic Forums

I was reading about the art of creating spells when I began to wonder about something a word is just a word until some puts meaning on it like if we used the word fun for bread and said pass the fun or so forth etc etc etc no one would even notice it would completely normal so any word could mean anything i'm very low on money and I see all these rituals and spells that can only be done with items like wands tarot cards and certain stones my question is can I imagine the rituals I want to do in my head to save money or will it some how lower the power of my castings blessed be