I'd like to learn more about the Screener and its features

• What do the ratings in the Screener mean?
• What are the differences between the Stock and Forex Screeners?
• What is the Crypto Screener?
• How to see the pre-market / post-market data in the Screener
• Quick overview of the Screener’s functionality - things you need to know before getting started
• How are the most popular filters calculated?
• What does Price mean in the Screener?
• How is the Screener's interval related to filtering?
• How do we calculate Relative Volume and Relative Volume at Time?
• How is Volatility calculated in the Screener?
• Why is my Screener empty? Why are there no matches in the Screener?
• How is Performance calculated in the Screener?
• Currency conversion in the Stock Screener
• How to see primary listed symbols for the relevant market? (What is the “Primary Listing” filter for?)
• I want to scan stocks from the entire world