Understanding beaches and coastline almost all of us know the beach but often also do not understand what the definition of the beach, therefore from our understanding many mistakes, for example by making the beach with coastal equations and different beaches.
Coastal area is a meeting between sea water and land that eventually happens that called tide and low tide even when it comes storm.
While the coast is an area that starts from coastal areas to far to the mainland. There is no definite or clear boundary regarding the coastal area but clearly the coastal area is part of the coastal area.