Four arrows red or lime, next to a vertical line represents the current short-term trend (not the main overall trend). The generated signals will always have an arrow pointing at them, showing up/dn direction and on what bar.
$GBPUSD: Chart shows u everything u need to see and know, in regards to what I'm looking at and what direction I'm *looking to trade.
Note: I don't see Cable going higher than it's Nov 11th intraday high of 1.2673. I'm already short (if u follow me on twitter). Can I be wrong? Yes. Pls do your own homework and protect yourself at all times.