Artificial Intelligence: A machine-based system that can, for a given set of human-defined objectives, make predictions, recommendations, or decisions influencing real or virtual environments. (National Institute of Standards and Technology)
Machine Learning: The development and use of computer systems that adapt and learn from data with the goal of improving accuracy. (National Institute of Standards and Technology)
Deep Learning: Deep learning is a subset of machine learning that uses multilayered neural networks, called deep neural networks, to simulate the complex decision-making power of the human brain. (IBM)
Retrieval Augmented Generation (RAG): a technique for enhancing the accuracy and reliability of generative AI models with information fetched from specific and relevant data sources. (NVIDIA)

Image credit: "Unraveling AI Complexity: A Comparative View of AI, Machine Learning, Deep Learning, and Generative AI" by Lily Popova Zhuhadar is licensed under CC-BY-SA.