Aharmonic notation that uses a numbering system and single bass note to identify complete harmonies is called .

figured bass
bass
major harmony
consonance

Thank you for posting your question here at . I hope the answer will help you. Feel free to ask more questions.

A harmonic notation that uses a numbering system and single bass note to identify complete harmonies is called  figured bass.

A part notated with figured bass consists of a bass line notated with notes on a musical staff plus added numbers and accidentals (or in some cases slashes added to a number) beneath the staff to indicate what intervals above the bass notes should be played

The image isn’t here.