You get used to it, more or less. It is similar to naming your variables i,j,m,n,x,y, or using bash | or > or >> ... you get used to, that in haskell x:xs refer

You get used to it, more or less. It is similar to naming your variables i,j,m,n,x,y, or using bash | or > or >> ... you get used to, that in haskell x:xs refers to head and tail of a list.