Key difference: When we take the tub filled with water to soaking the body it means that we taking the bath. And when we standing under the spray of water to clean ourself it means that we taking the shower.
Bath and shower seem to be similar terms which confuse most peoples special those people throughout the world who have not luxury life. Without understanding the meaning of these terms people interchange these 2 with each other.
“Take a bath” is the phrase that came from the traditional word ‘to bathe’ which means to wash by immersing someone’s body in the water. People take bath in a body of water like a lake, river, sea, etc in the old days. But now people have not accessed the water body because of which peoples use the public baths, and then for privacy eventually bath tup. First with a wood bathtub made and nowadays it makes with ceramic or plaster. So the phrase taking bath refers to this, typically.
The shower is the device that sprays water and under which someone standing to clean itself. From that device water continuously drained off. As compare to bath the shower is quicker generally and for cleaning it is best. Because germs and dirt tend to drain off with water. But in both germs, dirt and soap collect in water and after the bath, there is no feeling of cleaning after a bit.
In bathing, there is more water consumption as compared to shower because the standard size of the bathtub can hold 159-liter water. For bathing, it is necessary to fill the bathtub. By taking the shower water consumption will be lesser as compared to the bath.