RELIEF
a feeling of reassurance and relaxation following release from anxiety or distress.
GROUND
an area of land used for a specified purpose.
ETCH
(of an acid or other solvent) corrode or eat away the surface of (something).
Answer:
Relief: Sculptured artwork on a flat surface where some parts are raised parts have been carved away
Ground: A waxy material used in engraving
Etch: The product made by using a metal plate and special tools to scratch an image into a waxy surface, and is then dipped into an acid bath
Explanation: