The term "water well" refers to a hole dug in the ground to access water from underground sources. There are several synonyms for this term with different uses and meanings. The most common synonym is a borehole, which is a narrow well drilled into the ground to collect water. Another synonym is an artesian well, which is a well drilled into a layer of rock and sand that contains water under pressure. A spring is a natural source of water that flows to the surface and can be used as a well. Cisterns and tanks are man-made containers used to store water collected from wells or other sources. All these synonyms are useful in different contexts and can be used interchangeably based on the situation.