Melody is the principle part of any tune, or air.
Melody, song or lyric are terms that refer to a form of expression within a musical genre.
The characteristics of a melody that are best described in terms of its structure and development include the arrangement of notes, the repetition of musical phrases, and the progression of the melody over time.
The term for a second melody that accompanies the main melody in a musical composition is called a "counterpoint."
In a vocal solo, the voice is the melody.
Harmony is a simultaneous combination of tones, especially when blended into chords pleasing to the ear. Harmony is structure, as distinguished from melody and rhythm
The "A" melody
Melody, song or lyric are terms that refer to a form of expression within a musical genre.
A melody is a succession of musical notes, played in sequence. A chord is a collection of musical notes all played at the same time.
A melody is a succession of musical notes, played in sequence. A chord is a collection of musical notes all played at the same time.
That would be a melody. You may be thinking of 'motif'.
The musical texture of a piece of music refers to how the different musical parts interact with each other. It can be described as monophonic (one melody), homophonic (melody with accompaniment), polyphonic (multiple independent melodies), or heterophonic (slight variations of the same melody).
To effectively describe a melody in words, one can use terms like pitch, rhythm, tempo, and contour to convey the overall shape and movement of the musical line. Descriptive language such as "soaring," "lilting," or "haunting" can also help capture the emotional quality of the melody.