MELODY - A series of individual pitches one occuring after another in order that the composite order of pitches constitutes a recognizable entity. Melody is the horizontal aspect of music.

A text summary of the clickable map above, meant for web-crawlers and other automatic tools:
melody is aspect of musical unity
melody has element rhythm
melody has part intervals
melody is series of tones in time
melody is horizontal aspect of music
melody has role in key
melody has source scale
melody has source mode
melody is supported by harmony
melody expresses human emotion
melody used to create song
melody has short unit motive
melody has timbral resource instruments
melody may have temporal unit beat
melody has/have "treatment" style
melody is made from tones
melody has metaphor curved line
melody is one element of Elements of Music