This is the 737th most frequent Chinese word.
跑
"跑" means "to run."
跑 indicates the act of running for exercise or movement.
我每天早上去公园跑步。
I go for a run in the park every morning.
跑 refers to covering a distance at a running pace.
听说他跑了十公里，真厉害！
I heard he ran ten kilometers; that's impressive!
跑 is used metaphorically to indicate urgency to accomplish a task.