

Light comes from a direction where it could plausibly come from, like a window or a lamp ('a reason for the light'), so the world feels real.
The default for every live-action shot. Lock the light direction in the start frame so it doesn't change from cut to cut.
Not verified — You describe the light source and its direction directly.
Soft daylight from a large window on the left, light direction consistent, an elderly woman knits in an armchair beside it, gentle shadows falling to the right, dust motes visible, locked-off camera, 50mm lens, warm natural mood, 6-second shot.
soft daylight from the window on the left, light direction consistent
Not verified