1-The Notion.2-Rulings.3-Types.3.1-Sequential Wudu'.3.2-Wudu' by Immersion.3.3-Jabira Wudu'.4-Doubts.5-Ghusl instead of Wudu.6-Invalidation.7-Difference of Shias and Sunnis.7.1-The Beginning of Disagreements about Wudu' Since Uthman's Era.8-Recommended Practices.8.1-Supplication.9-See Also.10-Notes.11-References.
