Final answer:
Rogue waves are significant, isolated waves formed by the superposition of smaller waves or by ocean currents and winds focusing energy into a single area, resulting in a wave much larger than the average for that region.
Step-by-step explanation:
Waves that rise two to five times higher than other waves in a region, and are formed by wave interference and/or the focusing effect of some coastline or seafloor shapes, are called Rogue waves. These waves are not caused by the gravitational pull of the moon, which is mainly responsible for tides, nor are they the result of seismic activities which give rise to tsunamis, known inaccurately as 'tidal waves'. Instead, rogue waves occur due to the superposition of smaller waves leading to constructive interference, where the waves combine to produce a single wave of much greater amplitude.
Rogue waves also sometimes form due to ocean currents and winds which can channel energy from various directions into a single area. This complex process can align the energy of different waves into a larger wave. The phenomenon of superposition, an essential knowledge point in physics, describes how two or more waves can add together to form a larger wave in regions where their crests and troughs align.