Question

Chord diagram with E highlighted.

In the chord diagram, the highlighted part represents
an open string
a chord symbol
the nut
a left-hand finger

Answer 1

In a chord diagram, the highlighted part typically represents a chord symbol. The chord symbol indicates the specific chord being played. The other options provided (an open string, the nut, or a left-hand finger) would not usually be indicated by a highlight in the context of a chord diagram.

If you have a specific diagram in mind, please describe it, and I can provide more tailored insight!