Fundamental Theories.- Fundamental Processes in Fluid Motion.- Vorticity Kinematics..- Fundamentals of Vorticity Dynamics.- Typical vortex solutions.- Force and Moment of Vortical Flow to Solid Bodies.- Special Topics.- Separated Vortex Flows.- Vortex Filament, Vortex Systems, and Interactions.- Vortical Flow Stability.- Vortical Structures in Transitional and Turbulent Shear Layers.- Wave-Vortex Interactions and Vortical-Flow Control