How does skimmer pool circulate water?

Water is taken from the surface of the water to filter from there it is redistributed into the deeper water of the pool if the general direction of the return pipes are correct this Will cause the water to move around and circulate, encouraging a constant turnover of water through the filters. skimmers are the best way to circulate pool water as the surface of a Swimming Pools water is the area of water that harbours the greatest risk to swimmers health. this is why public swimming pools have extensive skimming systems