The phrase "tension levels" refers to the amount of pressure or stress experienced in a particular situation. It describes how high or low the intensity of tension or anxiety is at a given moment. Full definition
Not only is this better customer service, it's also more efficient and can help lower tension levels. (realtormag.realtor.org)
Your natural sleeping position should also be something to consider when checking for a mattress tension level. (sleepmetro.com)
This refers to increasing tension levels in the muscle fibers over time, and the most effective way to do it is progressively increasing the amount of weight that you're lifting. (legionathletics.com)