what does it mean
it means play the notes an octave higher, it just so you dont have to write out notes high up
yea it means to go an octive up
For a slightly more in-depth answer, I found this website.
This notation can also mean "play one octave lower", but you'll see this usage mainly in music for piano. When indicating "one octave lower" it will include a dotted line below the notes to be lowered.what does it mean