Biological Weathering is a process where rocks are broken apart by vegetation and roots, or chemical reactions from animal faeces erodes the rock face.
Corrasion is a form of mechanical erosion where material and sediment in the sea is flung at the cliff-face as waves break against it, this breaks up the rocks making up the cliff.
Saltation is a form of transportation where smaller sediment bounces along the sea bed, pushed by currents, and is too heavy to be picked up by the flow of the water.
Sea Wall is a hard-management coastal defense, where a concrete wall is built parallel to the seafront, to redirect the energy of waves away from sensitive cliffs or the edge of a coastal town.
Relief is the difference in the height of land for a particular region, with a large relief indicating a region has a large difference between the lowest and highest points.