vigorous movement; dynamism
General term for energetic motion or dynamic force; can be used in physical, social, or abstract contexts.
The dance is full of vigorous movement.
Analyze the dynamism of society.
Technical term in psychology; often used in the compound 精神力動 (せいしんりきどう).
See also: 精神力動
Understand the patient from a psychodynamic perspective.
Compound of 力 (power, force) and 動 (movement). The psychological sense is a calque from Western psychodynamics, likely via the compound 精神力動.