A gusset is a triangular piece of fabric that is inserted into a seam to reduce stress on that seam. It is used in areas that move a lot such as shoulders, underarms, hems of some skirts and between legs.
Godet
A godet is an extra piece of fabric in the shape of a circle sector. It is inserted into the garment, ususally a skirt or dress, to create volume and flare.
Micheal Cinco
Gore
A gore is a shaped segment narrower at the top then the bottom. They are used to create flared skirts.
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Tucking
A tuck i s a small pleat or fold in fabric that is sewn into place. A series of small parallel tucks are often used to decorate a garment or shorten it so it can be let down at a later stage.
Darts
Darts are folds sewn into fabric to help provide a three-dimensional shape to a garment. They are frequently used in women's clothing to provide a fit that closely follows the shape of the wearer. They are essential to give the garment a specific shape usually to enhance the wearers figure.
Two kinds of darts are common in blouses for women:-Vertical Darts - These type of darts are sewn from the bottom of a blouse to a point generally around the bustline. They are usually found at the front or the garment and are used to pull the bottom of the blouse towords the wearer.
- Bust Darts - These are short triangle folds that provide space for breasts such that the fabric under the breasts isn't hanging it is fitted closer to the wearer.
There are several other kinds of darts also such as Arm Eye darts, H darts, French darts, Irregular darts and princess seam.
Boning
Boning is plastic or metal stiffening strips that are used to support a garment. Usually found in strapless dresses or corsets, but can also be used to stiffen or stabilize a neckline, shaping a waist area or forming a sleeve.
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Jean Paul Gaultier
Layering
Layering is sewing different layer of fabric that have been treated or manipulated differently together to create volume or pattern on a garment.
Jean Paul Gaultier
Dior
Knotting
Knotting is used to create decoration and texture in a garment.