Itos Lemma Explained

Video on Taylor-Explansion:    • Taylor series | Chapter 11, Essence of cal...   This is part 3 of my series on "Understanding Black Scholes". Ito's Lemma is a key mathematical lemma used in the derivation of Black-Scholes - so here is my understanding. I know that this is mathematically not super rigorous. This video is here only to give intuition.