Definition of stretches:
(v) :
(transitive) To lengthen by pulling.
(v) :
(intransitive) To lengthen when pulled.
(v) :
(intransitive, transitive) To extend one’s limbs or another part of the body, for example in order to improve the elasticity of one's muscles.
(v) :
(intransitive) To extend physically, especially from a limit point and/or to a limit point.
(v) :
(figuratively, transitive) To get more use than expected from a limited resource.
(v) :
(transitive) To make great demands on the capacity or resources of something.