Join
This dialog box allows you to specify whether the join is based on your table's descriptive attributes or on your table's geographic attributes.
Where
Check this radio button to specify a join based on descriptive data.
from table
Use this drop-down list to specify the match field in the source table.
matches from table
Use this drop-down list to specify the match field in the target table.
where object from table
Check this radio button to specify a join based on geographic data.
Object from table
Use this drop-down list to specify either contains, or, is within, depending on the geographic relationship between objects in the two tables.
Polygons contain points, lines, or other polygons. Points, lines, and small polygons are within other (larger) polygons.