Meanings

silent letter

moving into the black

International Red Cross

picture formed from letters

transcription (of speech to text)

double-size character

demotic (ancient Egyptian script)

hieratic (ancient Egyptian script)

hieroglyph

Hebrew alphabet

hieroglyph

being greatly in the red

kanji formation

simplified Chinese character

traditional Chinese character

full-width space

unit of five (in tallies, etc.)

deficit operation

zig-zag motion (esp. warship)

to make a typo