what is AI,ML,DL,CV,NLP… and Why do we need them?

Before understanding all these fancy and buzz words, we need to understand something else called'Automation'. Need for Automation: Because we are bored of doing the routine things everyday. Look at the things around you, how you used to operate them and now how are you operating. For example: 1)The mobile phone we use, typically we used to type the phone numbers using the dial pad and make a call. The motivation of these transformation is boredom and laziness. How Automation can be Achieved: Automation can be achieved through many ways.