Meaning ofblackboxin English

Noun

1. a device with unknown internal workings; inputs and outputs
   The company used a blackbox algorithm to analyze customer data.
2. a recorder in aircraft; aids accident investigation
   The blackbox recorder helped investigators determine the cause of the plane crash.
3. a similar device in vehicles; tracks events and data
   The car's blackbox recorder captured the details of the accident.
4. a theoretical system; unknown operation method
   The new employee struggled to understand the blackbox system used by the company.