1. A macro is an automated sequence of actions in LibreOffice Calc. Real-life uses include automating repetitive data entry tasks and generating monthly sales reports.
2. Actions not recorded by a macro include inserting comments, changing the view settings, and altering the format of the entire document.
3. LibreOffice Macros Library contains all available macros, while "My Macros" is a personal repository for user-created macros.
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