I don't know, I reread your post and the comments provided, and all I got is that the question posed is so ambiguous that it leaves me wondering: wha! is that aboutSelect all
--is completely obvious, it must mean take the whole selection all the data being shown, whether that is part of a coding sequence, an article (wiki page) or a data grid (spreadsheet..)code
--seems just as obvious, it must mean you are looking at some page, possibly of code ?
It is only a guess to presume that it is not code data (programming instructions) that you are asking about
--hence the ambiguity of the question
The we don't do that here flavor is probably just exasperation
--kinda reminds me of the any key
problem users indicated when asked to press any key; that is English as well, but apparently lots of people were being confused by that seemingly simple instruction
Anyway, we all live and learn.