The various images here put forth the different types of water saving techniques that are used to save water and promote water awareness. The goal is to improve the water saving measures and the tendency to not consider water to be an integral part of the environment that is at risk. This is how these images would help put forth a very rudimentary understanding of how water saving techniques work in this world.
The goal is to increase the water awareness and the types of usage along with how to minimize the wastage. By optimizing the water usage, the aim is that the water saving efficiency increases and thus, this is where these images play a vital role as well. The images display a better sense of conveying the end message of water conservation and water awareness.