What is the difference between Loss Minimizing Case and Profit Maximization?

Long-Run adjustment process, what would this look like? Are there any good examples of this?

What is the difference between Dynamic Adjustments and long-run adjustments?

Can someone explain Barriers to entry factors that prevent firms form entering the industry? I see Economies of scale, Legal barriers, ownership, and pricing, but what would that look like with real-life examples?

What are some misconceptions of Monopoly pricing that you may have seen in your own business or other businesses?