诫
=
戒
+
讠
:
Joan of Arc (ji) set up an advertising column (讠) in the elevator's bathroom (e4) with the ten commandments (诫) about her holy ring (戒) and to warn (诫) everyone to touch it (which is prohibited (诫)).
戒
=
戈
+
廾
:
Joan of Arc (ji) asked to see the holy ring (戒) in the elevator's bathroom (e4). She is allowed to see it, but she has to wear handcuffs (廾) as precaution. Additionally, there is a guard equipped with a spear (戈) standing next to the ring.
Mnemonic symbol: this character looks like a big "i" (like in information), and I'll represent it by an advertising column. Maud Younger (y) gives a speech (讠) standing on top of an advertising column (讠) in the anthill's kitchen (an2).