What is meant by thematic investing and how can investors make the best of it?

Can you explain what is meant by a margin of safety in investing?

What are types of risks that investors are exposed to when investing in the equity markets? What is meant by Beta?

What is the probability that I can consistently make profits by selling options?

What is meant by thematic Investing:

Can I practically understand what is meant by the idea of leverage?

What do we mean by Margin of Safety in equity investing?

What is meant by actionable investing?

I hear the use of the word Trend quite often in technical analysts. What exactly is meant by trend?

What is meant by interest rate swaps (IRS) and what is the application of IRS?

What is meant by the Advance / Decline ratio and how do I interpret the A/D ratio of the stock market?