is a specific kind of: icon, ikon, image, picture.

is a specific kind of: artefact, artifact.

is a broader term that covers: dickey, dickie, dicky, shirtfront.

derivation: enclose, inclose, insert, introduce, put in, stick in | inset^v1 | enter, infix, insert, introduce.

is a specific kind of: piece of cloth, piece of material.

is a part of: garment.

derivation: inset^v1.

is a specific kind of: enclose, inclose, insert, introduce, put in, stick in.

derivation: gusset, insetⁿ³ | insert, insetⁿ².