This is the American flag. The flag surface is roughly composed of 13 red and white stripes, symbolizing the 13 colonies when the United States was founded. On the upper left corner
↖️ there are 50 white five-pointed stars
⭐️ on the blue rectangle, representing the 50 states of the United States. On some platforms, the system displays as US. It generally represents the United States of America (abbreviated as U.S.A. or U.S.), commonly known as the United States. It is a federal republic composed of 50 states, Washington, DC, five autonomous territories and outer islands. Its capital is Washington.
🇺🇸 is the Emoji of a country/region‘s flag, and its meaning is flag: United States. The Emoji 🇺🇸 is composed of two regional indicator letters, namely 🇺 and 🇸. The country/region's 2-letter code for United States is US, so the letters corresponding to the two region indicator letters are U and S. 🇺🇸 is displayed as a whole flag on most platforms and as a two-letter symbol on a few platforms.