Using three or four notes to imply complex harmonies.
Take the first 8 bars of "All the Things You Are" (Fm7 – Bbm7 – Eb7 – Abmaj7). Without Page 51, you might play root position chords. Jazz Guitar Voicings Randy Vincent Pdf 51
Key concepts (assumed content)
Randy Vincent's method books, specifically Three-Note Voicings and Beyond Jazz Guitar Voicings Vol. 1: The Drop 2 Book Using three or four notes to imply complex harmonies