incumbent noun [C]. âº the âperson who has or had a âparticular âofficial âposition: the first/last/âprevious incumbent The âpresent incumbent (of the âpost) is âdue to âretire next âmonth. (Definition of incumbent from the Cambridge Advanced Learners Dictionary & Thesaurus Â© Cambridge University Press). See all translations.
In music, a linear progression (Auskomponierungszug or Zug, abbreviated: Zg. ) is a passing note elaboration involving stepwise melodic motion in one direction between two harmonic tones.  The compositional unfolding of a specific interval, one of the intervals of the chord of nature.
principle of progression. Definition. A real estate valuation theory which states that a property of lesser value is enhanced through proximity with higher value properties. The principle may be evident during the appraisal process whereby two or more buildings with similar amenities are compared; the less marketable property may be valued slightly higher due to its location.