谨记

谨 = 堇 + 讠 : Joan of Arc (ji) is reading a warning on an advertising column (讠) in the encampment ((e)n3). The warning says that she should be very careful (谨) about violet dirt (堇) which tends to fall off the ceiling. While Joan of Arc reads the message, a big piece of violet dirt is about to fall on her head.

记 = 己 + 讠 : In the space station's bathroom, Joan of Arc sees an advertisement on an advertising column. There are some butcher's hooks advertised which she thinks will be useful on her quest against the king of England, so she takes a voice memo to remind herself to obtain some of the butcher's hooks.