Some people use the buttons in reverse order or otherwise don’t have mice that conform to the standard that wording would expect. I don’t think it takes too much cognitive overhead to map 1/2/3 to left/right/middle for users of those kinds of mice. 

> On Apr 25, 2020, at 12:45 PM, ndame <ndame@protonmail.com> wrote:
> 
> 
> I don't use the mouse in emacs at all, but when browsing info mouse-2 caught my eye.
> 
> Why emacs calls these mouse-1, 2 and 3? Wouldn't it be more user friendly to say
> left mouse button, middle mouse button and right mouse button?
> 
> I checked what terminology Gnome uses:
> 
> "Press the right mouse button on any local folder"
> 
> https://help.gnome.org/users/shares-admin/stable/tool-getting-started.html.en_GB