Editing widgets

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Hi There.

I’m very new to wordpress but getting on okay (or so I thought) in the first few hours of using it.

I’m using the free responsive theme for the time being.

My question is how do I delete or edit the home page widgets. It clearly tells me to go to ‘appearance’, ‘widgets’ and then click on the 6t from top (for example), I do this but then nothing there is editable. It simply says ‘area 6 – sidebar- home.php ‘

I realise I’m a hopeless case so any help would be appreciated.

Is it because I’ve changed all my pages to just show as whole page width rather than having a side bar?

Thanks