'A lip' in general signifies doctrine.

In Isaiah 6:3, 7, this signifies the interior parts of a person and thus internal worship where adoration is grounded.

In Isaiah 37:29, this signifies the thought of the understanding

In Malachi 2:6, 7, this denotes doctrine grounded in charity.

(Referências: Arcana Coelestia 1284, Arcana Coelestia 1288)

Dead (Genesis 23:8) signifies night in respect to the goodness and truth of faith.

(Referências: Arcana Coelestia 2031)