[danilafe]

As a sibling comment said, it's a C major chord, but voiced one noted at a time. "usually" / in pop, you hear all the notes at once.

[kaoD]

> but voiced one noted at a time

I think OP's point is that the very definition of a chord is a bunch of notes played at the same time.

[keymasta]

Whereas when played separately it would be an referred to as an arpeggio. But in harmony we might still refer to it as a chord, as in saying, arpeggiate the C# minor (chord) to start moonlight sonata.

This might better be described as arpeggiating C#m second inversion or even C#m/G# in the right over C# in the left...

This is getting possibly-weird but you could call it an arpeggiation of G#sus4(#5)/C#

[dr_kiszonka]

I think chords at least three notes played at once, with the exception of maybe power chords. Using your definition, every piece with two or more notes has chords :)

https://www.britannica.com/art/chord-music

[keymasta]

As per my knowledge, and as per Britannica, a chord actually uses three or more notes. A two note structure is called a diad, which implies a bit of confusion in the term "power chord" (written as 5, as in G5, which == G D == 1 5).. as it is not by definition a chord but a diad.

This may be a pedantic clarification, but that is the definition