Globalneutralgeographical
- A reference to the Great Wall of China, the extensive historic defensive fortification built along sections of China's northern borders.
USUKGlobalformalinstitutionallegal
- A metaphorical barrier established within an organization to prevent the exchange of confidential information, avoid conflicts of interest, or maintain professional independence between departments or individuals.
USUKGlobalinformalfigurative
- Any strong or seemingly impenetrable division or barrier between people, groups, or ideas.