what are the major themes in The Stone Carvers? & why are they important?

Among other themes, The Stone Carvers deals with those who lost their loved ones in the war, and the human need to remember and somehow memorialise those who have departed. Another theme that is common within the Stone Carver's is obsession. Gstir's obsession for the bell, Allward's obsession with stone, Eamon's obsession to fly, Klara's obsession for love, Tilman's obsession to leave his restrictive home.