the.com/activity
Proof that something is happening, though not proof it matters.
means The state of doing things, or a specific thing done — anything from cell metabolism to a kids' worksheet.
from From Latin activus, the root of act, meaning a thing put in motion rather than left sitting around.
Gym camouflageOften confused with productivity; rarely the same thing.
Brain wordsNeural activity is just electricity gossiping between cells.
Suspicious pluralActivities on a brochure usually means trust falls.