Dominant chords, such as the V7 chord, are widely used in jazz harmony to create tension and resolve to tonic chords.

A cadence is a chord progression that provides a sense of resolution or closure in jazz music.

The ii-V-I progression is a common chord progression in jazz that creates a sense of tension and release, often leading to a resolution on the tonic chord.

Soloing refers to the act of improvising a melody or solo over a chord progression in jazz.

Suspended chords are not as commonly used in jazz harmony as major 7th, minor 7th, and dominant 7th chords.

A half-diminished chord is built on the lowered 7th scale degree and has a characteristic diminished sound.

An augmented chord is built on the raised 5th scale degree and has a characteristic sharp or augmented sound.

The major scale is not as commonly used in jazz improvisation as the minor scale, Bebop scale, and Pentatonic scale.

A major 6th chord is built on the 6th scale degree and has a characteristic bright and open sound.

A minor chord is built on the lowered 3rd scale degree and has a characteristic dark and somber sound.

A progression is a chord progression that moves through different chords in a specific order.

A suspended 4th chord is built on the 4th scale degree and has a characteristic open and airy sound.

The 7th is not considered an extension in jazz harmony, as it is a fundamental part of many common jazz chords.

A major 9th chord is built on the raised 9th scale degree and has a characteristic bright and open sound.

A diminished chord is built on the lowered 5th scale degree and has a characteristic dark and tense sound.