Why are there committees with the same or similar names in both the house and the senate?

In earlier years, both houses of Congress used joint committees more extensively ... As their names indicate, they either perform housekeeping functions or ... of the same party, the two may not serve together on the same committee ... Others receive no attention because they duplicate measures already being considered.

Explanation:

In earlier years, both houses of Congress used joint committees more extensively ... As their names indicate, they either perform housekeeping functions or ... of the same party, the two may not serve together on the same committee ... Others receive no attention because they duplicate measures already being considered.