How-to's and FAQ on Indicators

• What is an indicator?
• I can't find an indicator (Volume, MACD, Ichimoku or other)
• I've searched through the Public Library, but still cannot find the indicator I need
• The Volume indicator on my chart looks odd or displays zero (or n/a) values
• How can I merge the chart and indicator into one pane?
• How to place two indicators on one pane?
• How to enable status line on all charts in layout
• How to chart the performance of Stocks, Crypto, and FX?
• I want to see the source code of a built-in indicator
• I'd like to know more about The Commitments of Traders (COT) reports
• I see 'Timeframe' and 'Gaps' options in an indicator's settings. What do they do?
• Why I do not have an “Invite-only scripts” tab in my Indicators Library?
• Why cannot I use an Invite-Only indicator?
• What is Open Interest?