According to the word of the lake people are a number or puddle of water (can be either fresh water or salt water) that accumulates in a large area. This pool of water builds the lake for three reasons, namely the decay of glaciers, streams, and water sources.
Although the water in the lake can be either fresh water or salt water, but the majority of the lake in the world is fresh water.
In some conditions water in the lake may vary, may increase or decrease. In addition, some lakes, such as Lake Eyre, dry water during the dry season and only have contents when the rainy season arrives