臂
=
月
+
辟
:
The moon (月) got stranded in the space station's bathroom (Ø4) where he asks Brunhilde (bi) and the jade dragon (辟) to lend a helping hand (臂). Brunhilde and the jade dragon push up their sleeves and use their arms (臂) to push the moon back into orbit.
月
=
⺆
+
二
:
Yu the Great (yu) is modelling a moon (月) in the elevator's bathroom (e4). He uses a stapler (⺆) to staple a lot of capacitors (二) together to form a moon shape, while the real moon is sitting for him.
to open (a door) / to open up (for development) / to dispel / to refute / to repudiate
辟
=
尸
+
口
+
辛
:
Mnemonic symbol from 辟邪, to ward of evil: a jade dragon, because this is what you get if you google image search 辟邪. Pocahontas (pi) stored some delicious kimchi (辛) in the space station's bathroom (Ø4), and a ghost (尸) is trying to eat it all in one gulp. Pocahontas is prepared though and uses a jade dragon (辟) to fend off (辟) the ghost. She does throw a mandarin (口) to the desperate ghost though.
Characters with 臂 as component
臂
is not used as a component in another character.