home in on

:  one's place of residence :  domicile

:  house

:  the social unit formed by a family living together

:  to or at one's place of residence or home (see ¹home 1a)

:  to a final, closed, or ultimate position

:  to or at an ultimate objective (such as a goal or finish line)

:  of, relating to, or being a place of residence, place of origin, or base of operations

:  prepared, done, or designed for use in a home (see ¹home)

:  operating or occurring in an area that is a headquarters or base of operations

:  to go or return to one's place of residence or origin :  to go or return home (see ¹home)

:  to return accurately to one's native area of place of birth or origin from a distance :  to return home

:  to proceed or direct attention toward an objective