Computer programming or coding is the composition of sequences of instructions, called programs, that computers can follow to perform tasks.
AI is the simulation of human intelligence processes by machines, especially computer systems.
Web development is the work involved in developing a website for the Internet or an intranet.
Data science is a multi-disciplinary field that uses scientific methods, processes, algorithms and systems to extract knowledge and insights from structured and unstructured data.
Machine learning is a subset of AI that enables systems to learn from data and improve over time without being explicitly programmed.
Blockchain is a decentralized digital ledger that records transactions across many computers in such a way that the registered transactions cannot be altered retroactively.