What support and resistance are
Support is a demand zone — a region where buyers have stepped in before and may again, slowing or reversing a fall. Resistance is a supply zone, where sellers have shown up and capped advances.
Crucially, they are zones, not exact prices. Wicks routinely overshoot the precise line, so treat a level as a band rather than a single number.
Drawing levels that matter
Mark areas the price has touched and reacted to multiple times, and prefer higher timeframes — daily and 4-hour levels carry more weight than 5-minute ones.
Fewer, stronger levels beat a chart full of lines. The most useful levels are the obvious ones that everyone can see, because that shared attention is what makes them act.
Trading around levels
Wait for a reaction or confirmation at the zone rather than assuming it will hold. Place stops beyond the zone, not right at it, so a normal overshoot doesn't take you out.
Watch for role reversal: broken resistance often becomes support, and vice versa. Whatever the setup, size the position from your stop distance — the level defines where you're wrong, and your risk follows from that.