scope
noun
1 we widened the scope of our investigation | a study of the subject is beyond the scope of this book:
extent, range, breadth, width, reach, sweep, purview, span, stretch, spread, horizon;
area, sphere, field, realm, compass, orbit, ambit, terms of reference, field of reference, jurisdiction, remit;
confine, limit;
gamut, competence.
scope Oxford Dictionary of English