What is "embroidery"? What are its characteristics?

Embroidery, also known as needle embroidery and embroidery, uses colored silk, velvet and cotton thread to puncture silk, satin, hemp, cloth and silk with the help of needles, thus forming patterns, images or characters with embroidery marks. Embroidery is characterized by covering cloth to form patterns and embroidering into high flowers with a strong sense of concavity and convexity. Because it is mostly made by women, it is called "female red" in ancient books.