Which pair correctly distinguishes ʿibārah and ishārah?

Four Modes of Textual Indication: ʿIbārah, Ishārah, Dalālah and Iqtiḍāʾ

• ʿIbārah: janābah at dawn; ishārah: nighttime permission
• ʿIbārah: implied marriage; ishārah: slander
• ʿIbārah: nighttime permission; ishārah: janābah at dawn not invalidating the fast
• Both establish divorce only