rough guide

A list like this is little more than a rough guide.

"You have been given a rough guide to what we are doing."

The table is nothing more than a rough guide, not an order of merit.

As a rough guide, however, it's best to avoid using the term outside China.

However, currently, such tests can only give a rough guide.

In fact the grouping was never much more than a rough guide.

The stars provide a rough guide to separate great, good, average, bad and terrible.

Here we need only to establish a rough and preliminary guide.

Both acknowledge that their programs are, at this point, rather rough guides.

For everyone in higher education would agree that A levels are at best a very rough and ready guide to a pupil's future development.