What does the term "sforzando" indicate in music notation?

The term "sforzando" indicates a sudden and strong accent on a note or a chord. It instructs the musician to play that particular note with increased intensity, often followed by a return to a softer dynamic. This term conveys not just a basic accent but a specific emphasis that is more forceful than a standard accent. Musicians use this technique to create contrast and drama within a piece of music, highlighting important moments. Understanding this term allows performers to express musical ideas more vividly and engage listeners through dynamic variations.