What is best description of the phrase the glass ceiling?

'The glass ceiling' is a phrase that illustrates a barrier towards advancement. Most commonly it is used to describe the difficulty women have found in the business world. To them, it is as though they can see that the professional ladder goes higher, but are stopped by an invisible barrier no one but they notice.

And that is the best description of the phrase 'The Glass Ceiling.'

A: fewer women than men rise to position of power