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)).
to guard against / to exhort / to admonish or warn / to give up or stop doing sth / Buddhist monastic discipline / ring (for a finger)
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.
"speech" or "words" radical in Chinese characters (Kangxi radical 149) / see also 言字旁[yan2 zi4 pang2]
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).
Characters with 诫 as component
诫
is not used as a component in another character.