A point of land that extends into the body of water that may not be peninsular is a cape as a cape is a headland or large size of the body usually by market trends in the coastline that make them prone to natural erosions.
They may be formed by earth tectonic activity and basal changes in sea levels. Erosion and erosive agents play a large role in this. The formation of the cape is also influenced by the processes that shape the seafloor spreading.
The continents move further apart the landmass tends to get separated from the mainland and the peninsular effect starts to get over. Cape is left in the end as the result of the formation of the secluded part of the land. This point is represented by the cape on the earth's surface.
