Definitions and keywords for Competency, Skills, Artificial intelligence, Machine learning, and Employability Skills. Here are links to two references for applications and practical use of artificial intelligence (AI) and machine learning (ML). Examples (2), quite important for sport-liking people, are shown like the skills, the technologies, and results on MLB games, where the key to success is human passion. This work was presented at VAPA Venezuelan American Petroleum Association, November 2019.