What does pl 18k mean on jewellry?

The term "pl 18k" on jewelry indicates that the piece is made from a metal that is 18 karat gold plated. This means that a layer of 18 karat gold has been applied over another base metal, providing the appearance of gold while being more affordable. The "pl" stands for "plated," distinguishing it from solid gold jewelry. It is important to note that plated jewelry may wear over time, exposing the base metal underneath.