'Activity' in the Bible

“Behold, as wild donkeys in the wildernessThey go forth seeking food in their activity,As bread for their children in the desert.

But better off than both of them is the one who has never existed, who has never seen the evil activity that is done under the sun.

Whatever your hand finds to do, do it with all your might; for there is no activity or planning or knowledge or wisdom in Sheol where you are going.

that is, the one whose coming is in accord with the activity of Satan, with all power and signs and false wonders,