yeah, that's what i meant. yur enghlich iss mucch butter ;-)

anthony

> In "user group", "user" is a noun identifying
> the type of each element contained in "group".
> Since each element is a single user, "user group"
> is correct.
> 
> In "group of users", users is a noun describing
> the collection of all elements that are contained
> in the group. Since the collection is a number
> of users, "group of users" is correct.
> 
> "Users group" implies that each element of the
> group is a set of users. This could make sense
> if you were talking about sets contained in a
> container, EG: "eggs case" if you were talking
> about a case that contained sets of a dozen eggs.
> 
> This hints at the correct answer in our case; try
> "egg carton", "eggs carton", "carton of egg",
> and "carton of eggs".
>