The Cross Join Component allows you to join two diverse inputs. You can either use this to produce a cartesian product output, or you can join related data by specifying a condition. THe user interface is shwon below :
The first two tabs allow you to select which columns from each input you wish to join into the output.
The Condition tab allows you specify a condition for the join. You can reference tokens using [column] and @variable syntax - use the
Insert Token... link for help with this.