apply:-vt. vi. ask for; lay one thing on or in another;cause something to serve a purpose by doing this;cause to have a bearing on; concern; concentrate one's thought on a task and give all one's energy and attention to; make practical use of research, discovery.
eg:-We must apply our fundamental energy to finding a time on the watch.
eg:-What the time tell do apply to you.
eg:-You may apply in time, in person by the fundamental rule.