Literature Reference: 盘盘松上盖，下覆青石坛。—— 《题金州西园九首 松坛》 The pine canopy spreads above, sheltering the green stone altar below. Source from 'Tijinzhou Xiyuan Jiushou Songtan'.
松: Pine trees, symbolizing a life of carefree ease and tranquility, also embody the virtues of towering strength, honesty, and reliability when used in names.
坛: Platform and venue. Carrying ominous connotations, it is unsuitable as a name.
Meaning: Songtan refers to a green stone altar sheltered by pine trees, symbolizing tranquility, solemnity, and harmony with nature.