How do “decisive evidence” and “demand to refrain” combine to define haram?

Prescribed Acts and Prohibitions: Fard, Wajib, Sunnah, Nafl, Haram, Makruh, Azimah and Rukhsah

• Haram entails required avoidance established by decisive proof
• Haram commands performance by decisive proof
• Haram involves only a mild suggestion to abstain
• Haram requires no legal evidence