If market is going up but having some congestion or resistance to move further and take some pips back and try again to cross that resistance level. This level will be called a resistance level. If you check the historical data from technical chart (2hrs to 4hrs of chart) market had faced this sort of resistance before as well. Resistance a pair always face when market going up. and likewise the support level is when market getting bounced back from down trend. The combination of support and resistance levels defines the pair's Range. in between it is traveling.