For me this piece is about love, life, death, and sacrifice.
The stag is frequently associated with fertility.
The rib cage I see as a protective shield for the heart which is symbolized as an acorn. In reading the Poetic Eddas there was an explanatory note which declared that the word which was used for heart literally translates into “Mood-Acorn” I was rather struck with that phrase, and loved that as a description for the heart. Acorns also symbolize
growth, life, and rebirth.
The runic symbol Algiz is a powerful rune for protection, and according to some the shape of Algiz was inspired by the antlers of a stag so I saw it as a mirror reelection representing the concept of” As Above So Below”