Scalers expressions will take a chord you play and break it down to its constituent triadic form before reinterpreting it in a way a musician may have. That’s how we make the content. A phrase is usually chordal with notes from the chords extensions, a performance is only the notes you played no chord extensions. Melody a usually monophonic designed to accompany chords, sequences are the same just more minimal in nature and rhythms are your actual chords broken up.