Definition of monograms:
(n) :
A design or motif composed of one or more letters, often intertwined, used as an identifying mark of an individual or institution; the letters are usually the initials of their names.
(v) :
(transitive) To mark something with a monogram.
(n) :
One of the symbols used in either the I Ching divination or the Taixuanjing divination:
(n) :
the unbroken line โ for Heaven;
(n) :
the once-broken line โ for Earth;
(n) :
the twice-broken line ๐ for Man (only used in Taixuanjing divination).