The answers to the clues below will have something in common.

1. Invisible barrier to advancement - especially for women
2. Mailroom, often - as a career-beginning metaphor
3. Location of inexpensive and on-sale items, perhaps
4. What the second side of an argument usually is, compared to the first side

Answers:

1. Glass ceiling
2. Ground floor
3. Bargain basement
4. Another story 

Credit:
Theresa Yves