1. SEO means Search Engine Optimisation. It is the trick you perform to get traffic from search engines such as Google, Amazon, YouTube, binge and the likes.
2. Before SEO, you should know what's your goal with SEO, who's your audience, what type of content will you use for SEO to reach your audience and what medium will you use.
3. Keywords are basically words people use when searching for solution to problem.
4. Black Hat SEO is the illegal method of SEO, i.e tricking Google for better ranking of website which may lead to be banned while White Hat SEO is the legal and normal method of SEO. It involves creating good content, using relevant keywords and more like that.
5. On page SEO is what is happening on your website and what you're in full control of while Off page SEO is what is mostly out of your control.
6. The most common SEO ranking factors are Optimised high quality content, high quality back links, Google rankbrain (CTR and Dwell time), mobile friendly, etc
7. Google rankbrain is an artificial programme that Google has made to scan the entire web for useful information based on the keywords anyone use to search.
8. Dwell time simply means how long people spend on a particular website by engaging with their contents.