What is a high d note on the violin?

A high D note on the violin typically refers to the note D5, which is two octaves above the open D string (D4). This note can be played on the A string by pressing down the first finger on the fifth position. In orchestral and solo music, the high D note adds brightness and can be used for expressive passages. It is often found in various musical contexts, showcasing the violin's ability to reach high registers.