Final answer:
Orual describes the light preceding the god's speech as a cool, gray light touching like a blessing hand, hinting at a divine presence and a moment of revelation.
Step-by-step explanation:
In the text provided, Orual describes the light that comes before the god speaks to her as a cool, gray light which suddenly touches the object of focus like a blessing hand. This description suggests a sense of divine or otherworldly presence, accompanied by a feeling of peace or sanctity. The imagery Orual uses implies that the light is transformative, heralding the presence of the divine and a moment of profound communication or revelation.