Within

adverb
1.
in or into the interior or inner part; inside.
2.
in or into a house, building, etc.; indoors:
The fire was burning on the hearth within.
3.
on, or as regards, the inside; internally.
4.
inside an enclosed place, area, room, etc.:
He was startled by a cry from within.
5.
in the mind, heart, or soul; inwardly.
preposition
6.
in or into the interior of or the parts or space enclosed by:
within city walls.
7.
inside of; in.
8.
in the compass or limits of; not beyond:
within view; to live within one’s income.
9.
at or to some point not beyond, as in length or distance; not farther than:
within a radius of a mile.
10.
at or to some amount or degree not exceeding:
within two degrees of freezing.
11.
in the course or period of, as in time:
within one’s memory; within three minutes.
12.
inside of the limits fixed or required by; not transgressing:
within the law.
13.
in the field, sphere, or scope of:
within the family; within one’s power.
noun
14.
the inside of a place, space, or building.
preposition
1.
in; inside; enclosed or encased by
2.
before (a period of time) has elapsed: within a week
3.
not beyond the limits of; not differing by more than (a specified amount) from: live within your means, within seconds of the world record
adverb
4.
(formal) inside; internally