Quran is a book of guidance and guides us to bliss and happiness. It is necessary for all Muslims to understand and obey its orders. In this regard, Muslim scholars, particularly interpreters, try to explain and interpret its verses. Explaining the concept and implications of “Urwatel Wusqa” has been a remarkable point of attraction for interpretation scholars so that it is a subject for conflicting views. This article tries to answer these questions: What is the concept and meaning of Urwatel Wusqa? What instances have been introduced for the word by interpreters? What is the idea presented by the author of Bayān al-sa'ādah Tafsir? Is his idea consistent or inconsistent with others? The author of Bayān al-sa'ādah Tafsir believes that the meaning of Urwatel Wusqa is guardianship (Welayat); but most interpreters have presented other meanings such as faith, Unity, Islam, Quran, Imams (AS), and Ali (AS) for the concept of Urwatel Wusqa. It seems Urwatel Wusqa cannot be limited to one instance and all cases may be true. Some meanings such as guardianship can be the completed and conclusive meanings

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