ˈeɪ "wˈɑːtʃlɪst" kʊd biː mˈænjuːəli sˈɛt ˌʌp tə mˈɑːnɪɾɚɹ ˈɔːl æktˈɪvᵻɾi ɔːɹ ˈɑːbdʒɛkt tʃˈeɪndʒᵻz mˌeɪd ɪn wˈʌn ɔːɹ mˈoːɹ ʌvðɪ ɐsˈaɪnd ɹɛktˈæŋɡjʊlɚɹ ˈɛɹiəz ɔnðə mˈæp.
A "watchlist" could be manually set up to monitor all activity or object changes made in one or more of the assigned rectangular areas on the map.