What melody is combined with an ornamented version of itself often heard in jazz the resulting texture is known?

The melody combined with an ornamented version of itself in jazz is often referred to as "counterpoint." This technique involves a primary melodic line accompanied by variations or embellishments, creating a rich and intricate texture. The interplay between these lines enhances the overall musical expression, allowing for improvisation and personal interpretation. This practice is commonly found in various jazz styles, contributing to the genre's dynamic nature.