The phrase "a mode of activity" is correct and usable in written English.
It can be used to describe a particular way or method of engaging in an activity or task.
Example: "Meditation is often considered a mode of activity that promotes mental well-being and relaxation."
Alternatives: "a method of operation" or "a form of engagement".
"The most dangerous thing is to fall into a mode of permanent activity and continuously consult one's smartphone to see whether any new mails have come in," he told Swiss newspaper Schweiz am Sonntag.
In a broad sense, debate exists as to whether pastoralism as a mode of human activity is in its last throes of existence in the face of systematic change (Devereux and Scoones 2008) or whether the essential elements of a pastoral way of life continue, only adapting to an ever-changing environment (Galvin 2009).
One of the most vocal advocates of reduced connectivity was Carsten Schloter, the CEO of the telecom company Swisscom, who told Switzerland's Schweiz am Sonntag, "The most dangerous thing is to fall into a mode of permanent activity...."....
Our analysis provides clear support for the decoupling hypothesis of spontaneous thought: PD exhibits a mode of spontaneous activity (i) uncoupled from task events and (ii) associated with differences in the way that external events are processed [3], [6].
Whole-body vibration is a mode of physical activity during which an individual stands on a vibration platform that can create acceleration predominantly in the vertical (Fz) direction.
Quantifying responses to WBV among people with COPD will allow discussion of efficacy of WBV as a mode of physical activity.
Whole-body vibration is a mode of physical activity thought to affect the musculoskeletal, endocrine and cardiovascular systems of the human body.
Whole-body vibration may be such a mode of physical activity, and can be easily completed in the home with little skill demand.
