Refers to the material silk, including fabric, thread, or the fiber itself.
この着物は絹でできている。
This kimono is made of silk.
絹のハンカチをプレゼントにもらった。
I received a silk handkerchief as a gift.
She had a silk scarf wrapped around her neck.
A baby's skin is as soft as silk.
レーヨン was historically marketed as artificial 絹 because of its silk-like sheen, but 絹 is a natural protein fiber from silkworms.
plain silk
raw silk fabric