Time is merely the default order. You can also sort by what the document says. The amount. The date printed on it. Who it's from. So a receipt search isn't "whe

Time is merely the default order. You can also sort by what the document says. The amount. The date printed on it. Who it's from. So a receipt search isn't "when did I save this" it is "the $1200 one from March." That's what makes it work beyond photos, where all you have is time and place.