Undefined being a more mysterious than 'Infinity', In 2024, Infinitics has given enough explanation on structures of Infinities and Infinitesimal but failed to explain "undefined" in Infinitics's terms. This paper will cover the types of 'undefined' and it's nature with calculations in detail. This gives a boarder ascept of 'Fully complete Mathematics' and give similar sense of 'undefined' in the physical world.
Guneet Ratnani (Sun,) studied this question.