I have recently been engaged in some quite animated discussions where the other party was confusing several common terms so I thought that, this week, I'd share my views on a few of my favourites...

Invention – is the creation of a product or introduction of a process for the first time. This does not necessarily mean that it is useful on its own and it often needs to be incorporated into a wider system to realise its potential. [eg light bulb, steam engine, wheel]