The finest of all symbols of libido is the human figure, conceived as a demon or hero.
The word libidinous means, according to the Merriam-Webster Dictionary, “feeling or relating to strong sexual desires”.
This definition carries a Freudian concept that considered libido as sexual energy. The Jungian concept of libido is more extensive, For Jung libido is psychic energy.
Even considering that, in young age, psychic energy may be dominated by sex drive, the psyche carries other energies that differ from sexual energy.