Its means the person having the tattoo is a fighter of a syndicate.
You could have a red line on your forehead if you slept in the same position for a while and there was pressure from something on your head. It could also mean an infection if there is also a cut or scrape on the forehead.
Love
Especially if it also has a vertical line in the middle, it may be a reference to the Deathly Hallows of Harry Potter.
It means the wearer has a very hard time getting jobs.
it means that the line in the linear equation is a vertical line
Those are parralel lines.
Vertical
I got the same things :/ what's this mean?
Its the C for carter many ppl think its for Christian since its next to the cross but its for carter nd the cross is for god
You could always use www.dictionary.com and search the word, but in a nut shell, it's the direction of up/down. This line is vertical: | This line is horizontal: ___
y axis
Ur betta is ready to breed