An overview of flavour physics and CP-violating phenomena is presented. The
Standard Model quark-mixing mechanism is discussed in detail and its many
successful experimental tests are summarized. Flavour-changing transitions put
very stringent constraints on new-physics scenarios beyond the Standard Model
framework. Special attention is given to the empirical evidences of CP
violation and their important role in our understanding of flavour dynamics.
The current status of the so-called flavour anomalies is also reviewed.Comment: Invited lectures at the 2017 and 2019 CERN - Latin-American Schools
of High-Energy Physics (San Juan del R\'io, M\'exico, 8-21 March 2017; and
Villa General Belgrano, C\'ordoba Province, Argentina, 13--26 March 2019). 38
pages, 13 figures. Fully updated version (April 2020) with current
experimental and theoretical status. arXiv admin note: substantial text
overlap with arXiv:1112.4094, arXiv:hep-ph/9601202, arXiv:1201.053
