within (EN)
preposition, adverb

preposition “within”

within
  1. inside or not beyond a place or area
    The keys were found within the couch cushions.
  2. included in the limits or extent of something
    The treasure is within a mile of this spot.
  3. not later than the given period of time
    Finish your homework within two hours.

adverb “within”

within
  1. inside
    The real strength lies within.