What does this wavy downward arrow preceding a piano chord mean?

Down arpeggio. A vertical wavy line that indicates chords are to be arpeggiated from the top note downwards. Non arpeggio. A bracket with straight lines that indicates all notes in the chord are to be played together, not arpeggiated.

1. What does a downward arrow mean in music?
2. What does the arrow mean in piano?
3. What does the squiggly arrow mean?
4. What is the squiggly line above a note?

What does a downward arrow mean in music?

It appears you're wondering what the gray circle with the downwards arrow symbol represents in the Music app on your MacBook Pro. That symbol that you're seeing means that the song (album or playlist as well) is downloaded to your computer.

What does the arrow mean in piano?

Arpeggiated chords are usually played from low to high, unless marked by a downward arrow. An is a fast-moving arpeggio.

What does the squiggly arrow mean?

It means you sort of roll the notes from left to right, rather than hitting them all at once.

What is the squiggly line above a note?

In music, a mordent is an ornament indicating that the note is to be played with a single rapid alternation with the note above or below. Like trills, they can be chromatically modified by a small flat, sharp or natural accidental.