Which term best describes a light and delicate fabric?

The term that best describes a light and delicate fabric is "gossamer." Gossamer refers to something that is extremely light, thin, and translucent, often associated with delicate, airy fabrics like silk or fine tulle. This word conjures images of fine, ethereal materials that are typically used in garments or decorations where a light touch is desired.

In contrast, the other terms do not relate to fabric or the concept of delicacy. "Grandstand" typically refers to a structure used for spectators, especially at sporting events, and does not have any connection to fabric. "Extradite" pertains to the legal process of surrendering an individual from one jurisdiction to another, while "florid" often describes something that is very flowery or overly ornate in style, which does not capture the essence of lightness and delicacy found in gossamer. Thus, "gossamer" stands out as the most fitting term.