Learner's definition of STRATEGIC
of or relating to a general plan that is created to achieve a goal in war, politics, etc., usually over a long period of time
The bridges have great strategic value.
strategic maneuvers [=maneuvers that are done as part of a general strategy]
a strategic retreat [=a retreat that is done in order to help accomplish a general plan]
strategic nuclear weapons [=powerful nuclear weapons that are designed to be used against targets that are chosen as part of a general plan to defeat an enemy rather than in an attempt to win a specific battle]
useful or important in achieving a plan or strategy