It requires the test candidate to drive by either following a series of directions, following traffic signs, or a combination of both, for about ten minutes.

To help the candidate understand where they are going the examiner may show them a diagram - see below.

It doesn't matter if the candidate doesn't remember every direction, or if they go the wrong way - that can happen to the most experienced drivers. Independent driving is not a test of the candidates orientation and navigation skills, it is about being capable of making their own decisions whilst driving, about their route and how to safely navigate that route without prompts - this includes deciding when it's safe and appropriate to ask for confirmation about where they are going.

When taking the independent driving test:

If you need to ask the examiner for a reminder of the directions then do so. Once asked the examiner will confirm the route.
If you go off-route your overall driving test result will not be affected, unless you commit a driving fault. The examiner will also help you get back on the route so you can continue with independent driving.
If there are poor or obscured traffic signs, the examiner will give directions until the next visible traffic sign.
A detailed knowledge of the test route is not necessary.
You cannot use a Sat-Nav.

Independent Driving Route Diagram