dynamics

noun

1. (uncountable)The branch of mechanics that is concerned with the effects of forces on the motion of objects.
2. (plural, plural-only)Loudness of sound.
3. (plural, plural-only)Loudness of sound.
4. (plural, plural-only)Forces that stimulate growth, change, or development.

   “The changing dynamics in international politics led to such an outcome.”

   “Many of the dynamics today in West Virginia would be familiar in old industrial towns in the Northeast, or in rural communities across the Midwest.”