7.1 Symmetries and Groups
          7.1.1 The group SU(2)
          7.1.2 SU(2) isospin, fundamental representation
          7.1.3 Conjugate representation of SU(2)
          7.1.4 SU(3) symmetry
          7.1.5 Tensor representation of SU(3)
          7.1.6 Reduction of direct product of irreducible representations in SU(3)
          7.1.7 Quarks as building blocks for hadrons
          7.1.8 Mesons as quark-anti-quark states
          7.1.9 Baryons as three-quark states
          7.1.10 Gell-Mann-Okubo relations
    7.2 Quarks and gluons
          7.2.1 Color degrees of freedom
          7.2.2 Gluons as color carriers
          7.2.3 Asymptotic Freedom
          7.2.4 Phenomenological illustration of the confinement