What is the meaning of this squiggly vertical line symbol in guitar tablature?

It's an arpeggio, or perhaps more precisely, an arpeggiated chord. You play the notes in rapid succession, from the lowest to the highest. The symbol is the same in traditional sheet music.

1. What do vertical squiggly lines mean?
2. What does the wavy line mean in sheet music?
3. What does the squiggly arrow mean?
4. What does squiggly horizontal line mean?

What do vertical squiggly lines mean?

Arpeggio: A squiggly vertical line in front of a chord means its notes are hit quickly in order, not simultaneously; to create a harp-like effect. Arpeggiated chords are usually played from low to high, unless marked by a downward arrow. An is a fast-moving arpeggio.

What does the wavy line mean in sheet music?

When followed by a wavy horizontal line, this symbol indicates an extended, or running, trill. In music up to the time of Haydn or Mozart the trill begins on the upper auxiliary note. In percussion notation, a trill is sometimes used to indicate a tremolo.

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 does squiggly horizontal line mean?

This symbol (in US English) informally means "approximately", "about", or "around", such as "~30 minutes before", meaning "approximately 30 minutes before".