What are Laws? Is there one Law superior to another? If there is, how does one decide it?
One could go on like this and stumble upon either a hundred answers or none. But questions were the root of understanding and sometimes they were more important than the answers. If one wanted to speak of Laws in the simplest term, then it would have gone like this; Laws are the means to predict the future.
Aldrich wasn't concerned with the Law of Space or the Law of Time. No, not even one remarkable person on earth would have been able to say that they had entirely understood Space-Time. But the Skills were closing this gap little by little. Banish wasn't a Skill to amplify these understandings, it provided means to act upon the knowledge of Laws itself.
