These are the items considered 'essential shopping'

For the past two weeks, Sydney has been in lockdown, with residents only allowed to leave home for four essential reasons.

But what type of shop classifies as essential? And is it up to the retailers, the public, or both to do the right thing?

A Current Affair investigates what shops are open and the confusion around what the public believes is essential.

To see the full story, watch the video above.