A relation.
Reciprocal exchange of civilities, especially conversation between persons by means of letters.
Postal or other written communications.
An agreement of situations or objects with an expected outcome.
Newspaper or news stories.
A similarity between physical and spiritual things (e.g. light to wisdom, or warmth to love)
A transposition.
a musical instrument that is written in a different pitch to how it sounds, often for ease of playing multiple instruments of the same family that have different ranges.