“True-loves” refers to “true lover’s” knots,” knots tied in two separate cords and constructed so that the two knots intertwine; since antiquity, true lover’s knots have symbolized love, friendship, loyalty, and affection.
Turtle doves are small gray birds with beautiful plumage, including gold-laced feathers on their wings. They coo to their mates and stay with them for life; for centuries, turtle doves have symbolized love and devotion.