  This Dyson-Schwinger equation (DSE) aperc,u highlights recent applications to
mesons. It reports features of, and results for, pseudoscalar and scalar
bound-state residues in vacuum polarisations, and exhibits how a restoration of
chiral symmetry in meson trajectories could be manifest in a relationship
between them. It also touches on nucleon studies, emphasising the importance of
both scalar and axial-vector diquark correlations, and reporting the
calculation of mu_n G_E^n(Q^2)/G_M^n(Q^2). The value of respecting symmetries,
including Poincare' covariance, is stressed.
