"On Roshar we burn our prayers. A wish will be articulated in a glyph, most properly set down on paper and then lit in a brazier to be carried up to the ears of the Almighty. I've heard of soldiers scratching a glyph in the sand to let the wind take it-"

Inviting the comparison on this point. She knows men in Vanessa's world can write; perhaps it isn't all women burning prayers for their husbands, perhaps both sexes engage in the practice?