What does "cracks in the glass ceiling" mean?

Question

What does "cracks in the glass ceiling" mean?

Answer 1

The Glass Ceiling often refers to the fact that there are barriers to women achieving their potential in the business world. In the Context of Hillary Clinton's speech, it means that whereas a woman has not yet become President, the fact that she nearly won the nomination has made it easier for the next woman to break that barrier.  

Answer 2

The glass ceiling is an invisible barrier against women advancing in business, industry, corporations and the like not just politics.  It also pertains to the highest salary a person, usually women but not always, can expect to top out at in their field.

Answer 3

Glass ceiling is an expression that means a limit for a certain group that doesn't apply to everyone. Women in this case, women in business or politics. Able to see men advance further though unable to advance so high themselves.

In almost winning the nomination Hillary claims her 18 million voters put that many cracks in the glass ceiling that keeps women from becoming president.

Answer 4

Above the glass ceiling are male CEOs and executives. Everyone else is trying to "crack" the glass ceiling and get in.

Answer 5

It means creating future opportunity for more women to have success in the political arena.  The glass ceiling is a metephorical boundary that is kept to block women from rising in their careers.