- the branch of mechanics that deals with the motion and equilibrium of systems under the action of forces, usually from outside the system.
- the motivating or driving forces, physical or moral, in any field.
- the pattern or history of growth, change, and development in any field.
- variation and gradation in the volume of musical sound.
- psychodynamics.
- the branch of mechanics concerned with the forces that change or produce the motions of bodies
- the branch of mechanics that includes statics and kinetics
- the branch of any science concerned with forces
- those forces that produce change in any field or system
- music
- the various degrees of loudness called for in performance
- directions and symbols used to indicate degrees of loudness
