'Growth stock' means different things to different people. The original concept was clear enough: it was a company whose profits and share price would beat the market over a long period.
The idea was to buy a little acorn then sit back and watch it turn into a giant oak like a Glaxo, a Cisco Systems or a McDonalds.
But that definition has been diluted to the point where growth investing now refers to any style that aims to produce capital growth rather than income.
There are lots of ways of doing this and some of them have nothing to do with acorns growing into oaks:
In this tutorial we focus on identifying companies whose earnings are growing rapidly since ultimately this is what characterises growth stocks.Recommend Reading