That particular spell just makes light, but there are many different kinds.
Healing spells, wards, spells to conjure various creatures, battle magic, illusions, spells that alter the state of whatever they're cast on, enchantments to make a weapon more powerful or to protect against certain kinds of magical attack, and so on.
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Healing spells, wards, spells to conjure various creatures, battle magic, illusions, spells that alter the state of whatever they're cast on, enchantments to make a weapon more powerful or to protect against certain kinds of magical attack, and so on.