One exception to this is the Biological Data Profile of the FGDC. To go along with Bounding Coordinates specifying the extent of the data in the dataset, the profile specifies a mandatory Description of Geographic Extent element to provide a text description of the extent of the study and/or data set.
Calm, peaceful days. The Halcyon is a bird of Greek legend and the name is now commonly given to the European Kingfisher. The ancients believed that the bird made a floating nest in the Aegean Sea and had the power to calm the waves while brooding her eggs.
In Greek mythology, Charon was the ferryman of the Underworld, who's duty was the ferry the souls of the dead across the Rivers Acheron and Styx. According to Hesiod's Theogony, Charon is considered to be a child of Erebus (Primordial God of Darkness) and Nyx (Primordial Goddess of Night.