WordWeb Online

1. Internal to, not outside; located in the bounds of
   "within the house"
   - inside
    
2. Not more or further than, in the limits of
   "within a whisker of losing"; "she's within sight"; "fixed within an hour"
    
3. Internal to, involving members of (a group of people)
   "they argued within themselves"
   - among, amongst, between

1. On the inside
   - inside

Encyclopedia: Within