Here's a more detailed description:
* Green: Represents the vast forests of Brazil.
* Yellow: Represents the country's mineral wealth, especially gold.
* Blue: Represents the sky and the Brazilian people.
* Stars: Each star represents a state or the Federal District, and their arrangement reflects the position of these entities in the sky at the time of the proclamation of the republic on November 15, 1889.
The flag's overall design is symbolic and embodies the country's history, geography, and aspirations.