The Fock state Have functions of hadrons defined by quantizing quantum chromodynamics at equal time on the light‐cone provides a unifying element in QCD predictions, from low to high momentum transfer. A number of novel QCD effects are reviewed, including heavy quark and higher twist phenomena, initial and final state interactions, direct processes, multiparticle collisions, color transparency, and nuclear target effects. A method for fixing the momentum scale in leading order QCD predictions is also briefly presented.