Tutorial for Gestures?

Sorry if this has been covered (I couldn't find it in documentation or by searching here). I am having trouble with many of the gestures and am wondering whether they're not as self-explanatory as I thought they were. For example, "Triangle Swipe Bottom Left Corner" suggests I should draw a triangle in the bottom-left corner of the trackpad, and since I wasn't sure whether "swipe" meant to use two fingers, I tried this both with one and with two fingers. No response from BTT.

If there were a simple guide showing specifically what the gesture to be drawn on the trackpad is, that would be super helpful.

TIA.

Yeah, the Triangle Swipe has me confused too. Other than that, though, I'm solid on the gestures. Feel free to ask me if you would like and hopefully I can help.

The triangle swipes work like this:

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