TOR/Privacy (SOCKS5) or SOCKS5?

[io.media at tutanota.de]

Hello,
What's the difference between "TOR/Privacy (SOCKS5)" and "SOCKS5" in proxy settings?
Can i use just SOCKS5 to connect through TOR (127.0.0.1, port 9050)?

Unfortunately, I didn't find anything in Google and in your FAQ.
Thank you!
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