How to build good OKRs?

What are the technical stuffs to be known for Junior PMs..... can product analyst become Product manager in future?

What are sone of the digital platforms to manage OKRs?

What is the difference between business analyst and product manager?

What are the factors involved in feature prioritisation?

How to become a good product manager?

Would be interesting to know the best practices in remote collaboration and how did you manage this with agility?