It would involve real people, meeting in a real, tangible, bricks-and-mortar building or outdoor place, where they might have food, drinks and conversation.
It was the moment when years of think-tank theorising about a property-owning democracy became as tangible as bricks and mortar.Four Conservative leaders have come and gone since then but the latest, David Cameron, also has an arresting vision that needs grounding in specifics.
It's tangible in the bricks of terraced houses built for miners in the late 1800s, visible in land that used to be Lady Windsor Colliery but is now deep green and unruly, definitive in that – again, as with many traditionally working class areas – it used to be somewhere you lived, but now it's somewhere your house is.
A concrete, tangible human artefact ("brick") is used to elucidate and condensate a complicated biological idea.
Home-owners may be making a similar mistake today.It is often argued that property is a much safer investment than shares because a share is just a (possibly worthless) piece of paper, whereas bricks and mortar are something tangible.
Think about it you can pay rent for your brick-and-mortar shop selling tangible fashion-object versions of images that previously only existed online.
These schemes deliver the opportunities for politicians to be photographed in hard hats, laying bricks and with lucky residents but, despite their tangible reality, they also have an illusionary aspect.
The pressure they were under was tangible and communications between frontline staff and managers seemed to hit a brick wall.
It's a vast, red-brick Brutalist extravaganza, designed by the architect Colin St John Wilson: a gloriously tangible statement on the value of the written word.
In contrast, reducing emissions of the sooty particles known as black carbon, which are given off by inefficient combustion in cooking fires and brick kilns, and by dodgy diesel engines, offers rapid, huge and tangible public-health benefits (see article).
