What is the difference between an epic, theme, story & task?

This is a past event

30 people went

The Plumbers Arms

14 Lower Belgrave St SW1W 0LN · London

How to find us

We're upstairs in The Plumber's Arms, near Victoria Station, London

Location image of event venue

Details

What is the difference between an epic, theme, story & task? When should they be used?

The event will be held in the upstairs room at The Plumbers Arms. The sessions are informal and we are happy for you to eat the pub grub / drink during the meetup (the pies are pretty nice).

The pub's site gives directions: http://www.taylor-walker.co.uk/pub/plumbers-arms-belgravia/c0685/

Here's their map: