examples of shorelines
Shoreline: strip of land where the sea meets the land.
fjords 
Deep glacial valleys filled with seawater and cutting into the shoreline.
barrier beach 
Usually narrow ridge of sand or pebbles bordering the shoreline.
delta 
Section of the coastline where sediment builds up at the mouth of a river, divided into several arms.
atoll 
Ring-shaped coral-reef island enclosing a lagoon and often a central island.