within >> wɪðˈɪn
Definition: [preposition] inside (something).
Example: the spread of fire within the building
Definition: [preposition] not further off than (used with distances).
Example: he lives within a few miles of Oxford
Definition: [preposition] occurring inside (a particular period of time).
Example: tickets were sold out within two hours
Definition: [adverb] inside; indoors.
Example: enquire within