You're likely referring to the flag of the United States, which features a field of blue with 50 white, five-pointed stars arranged in a circle. The stars on the American flag represent the 50 states that make up the union.

The arrangement of the stars in a circle is not a specific symbol with a historical or cultural meaning. It's simply a way to arrange the stars in a visually appealing and symmetrical way on the flag.

The design of the American flag has evolved over time, with the number of stars increasing as new states were added to the union. The current design, with 50 stars arranged in a circle, was adopted in 1959 when Hawaii became the 50th state.