無爭議

无 = 一 + 𠂇 + 乚 : Mnemonic symbol: the philosopher Diogenes, who has nothing and wants nothing.

无 = 一 + 𠂇 + 乚 : Just inside the space station's entrance, Diogenes is annoyed by Willy Walrus, who's playing his flute. Diogenes just wants a peaceful time without being disturbed, so he cuts the flute into pieces with a pair of scissors, and threatens to beat Willy Walrus with a shovel should he annoy Diogenes again.

Mnemonic symbol: 無爲, wu2 wei2, the state of non-doing after having attained complete harmony with the Tao.

Willy Walrus (w) has attained Wu Wei (無) just inside the space station's entrance (Ø2), while from the outside it may seem like he is napping.

争 = ⺈ + 肀 : Mnemonic symbol: The grim reaper, as 争 is often used in words involving war (...战争). In front of the engine ((e)ng1), the grim reaper (争) marks his next victims in passing. With a crayon (肀) he draws big "X"s on the crane (⺈) and James II of England (zh).

议 = 义 + 讠 : Maud Younger (y) is painting blindfolded onto an advertising column (讠) in the space station's bathroom (Ø4). Justitia comments (议) on her art and indeed voices very just (义) comments (议).