| A | B |
| Closed shop | plant where only union workers can be hired |
| Arbitration | when a third party is used to decide solutions |
| Blacklist | "weapon" used by management |
| Employer | the boss |
| Mediation | Using a third party to suggest possible solutions |
| Picketing | walking with signs in front of a business to get public support |
| Strike | chief weapon of labor |
| Scab | a worker who crosses the picket line |
| Fringe benefit | "extras" of labor, not salary or working conditions |
| Injunction | court order requiring a specific action |
| Employee | labor; the worker |
| Yellow dog | type of contract where worker promises not to join a union-illegal |
| Boycott | when labor tries to discourage the purchase or use of a good |
| Open shop | plant that hired both union and non-union workers |
| Union | organization designed to protect the rights of workers |
| Lockout | bully tactic to force workers to accept management's deal |