Continuum strong QCD is the application of models and continuum quantum field
theory to the study of phenomena in hadronic physics, which includes; e.g., the
spectrum of QCD bound states and their interactions. Herein I provide a
Dyson-Schwinger equation perspective, focusing on qualitative aspects of
confinement and dynamical chiral symmetry breaking in cold, sparse QCD, and
also elucidating consequences of the axial-vector Ward-Takahashi identity and
features of the heavy-quark limit.Comment: 28 pages, 12 figures, LaTeX2e; Contribution to the proceedings of the
"Confinement" Research Program at the Erwin Schroedinger International
Institute for Mathematical Physics, Vienna, Austria, Coordinated by W. Lucha,
A. Martin and F. Schoeberl, May-July, 200
