1. Browser Operation - Load Url - Action Settings

Could you explain the algorithm of each radiobutton?
1. Browser Operation - Load Url - Action Settings

Could you explain the algorithm of each radiobutton?
2. Any Variable Options

Explain options are RowIndex? (0 and Random)
3. Control Operate - Set Event - Select Event

Wanted explanations for such items:
4. Set Value - Action Settings - Set Value - Property

Please, explain the last four points.
5. Captcha - Action Settings

For that answer these settings and what will happen after three attempts? In the video "Botchief Tutorial" in the part where it says about Captcha, this question is not affected.
6. Scraper - Scrape Type - Advanced Scrape

Very difficult option. I think that would be very helpful video on how to use this feature.
7. I do not understand what is needed and how to use these features:
DownloadLocationSet
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