The specific signification of in is situation or place with
   respect to surrounding, environment, encompassment, etc. It is used
   with verbs signifying being, resting, or moving within limits, or
   within circumstances or conditions of any kind conceived of as
   limiting, confining, or investing, either wholly or in part. In its
   different applications, it approaches some of the meanings of, and
   sometimes is interchangeable with, within, into, on, at, of, and among.