The decorative top of a column is called the capital.
The decorative curl on the end of a violin is called the scroll.
The decorative wood on a staircase is called "wainscot"
"Decorative" when describing fruit trees, means no fruit. It is called a decorative Red Plum tree.
A decorative garland of flowers is a lei.
Net weaving is a permanent way of putting one's hair (a style) where a net is attach to a client's head, then attaching the hair to the net.
It is called an etui
The decorative top of a column is called the capital.
A decorative piece of needlework is typically called an embroidery. This can include a variety of stitching techniques on fabric to create decorative designs or patterns.
The way I do it is to tuck up the back of your hair to the top of your head and fold depending on the lenght of your hair. Then put the net over your hair and then move your hand and put the front of the net on the very top of your forehead.
The function of the hair net is to control loose hair so that it does not fall into and contaminate the food being prepared.
It is called an etui