Well and fountain
The Word is sometimes called 'a well,' and sometimes 'a fountain.' It is called 'a well' regarding the literal sense, and 'a fountain' regarding the internal sense.
(Odkazy: Arcana Coelestia 67)
Maids
Maids in general denote external affections serving the internal.
In Genesis 16:2, this symbolizes union with the outer self. (Arcana Coelestia 1900)
(Odkazy: Arcana Coelestia 3835)