The Boundary Selection command selects objects that fall within a given region or boundary. When you use this command, MapInfo Pro selects all objects within any boundary on the map, such as state or county boundaries, police precincts, or sales territories.
For example, you have a layer of states and a layer of retailers. Using the Boundary Selection command, you could click a state and create a temporary list of all the retailers in that state.
To select objects within a region: