In Ibn ʿArabī's cosmology, letters are vehicles of manifestation. Each one possesses an ontological rank. In the case of the letter yā' (يي ي ياء (which is the final letter of the Arabic alphabet, in this context it is deeply connected to the concept of Being (al-wujūd) in its most complete or ultimate degree, but also the point of return to the One, the movement back to the origin, since by standing at the end of the alphabet it marks the closure of a cycle. For this reason, Ibn ʿArabī writes in his Kitāb al-Huwa that the letter yā' «stands between Anā (I) and Huwa (He)», since from a doctrinal perspective it functions as an allusive indication (ishāra) of Huwa, the supreme Identity. In this paper will explore how this translates into certain metaphysical and grammatical meanings as the direct expression of the divine First Person.