Which distinction between shudhudh and khilaf is correct?

Obedience to Authority, Moderation and Clear versus Ambiguous Verses

• Shudhudh is scholarly betrayal, khilaf financial trust
• Shudhudh is leaving a sect, khilaf is a clear verse
• Shudhudh is individual divergence; khilaf is disagreement between groups
• Neither has a meaning