The most obvious way of getting the world to do what you want is by simply commanding it. After all, it works on people. However, telling rocks to get out of the way doesn't work very well. Clearly, we need to find the right words, magical words which force the rock to do as it's told. Such is the reasoning that has led to spells being associated with speech across the world. When the Language of Magic isn't human, it's usually explained as either theurgy - angels and demons insist on being addressed in their native tongue - or true names. Examples of Magical Incantation include: