The permanent and most powerful committees of congress which have defined legislative jurisdiction are called committees.

Standing committees

Explanation:

Standing committees -

It is the permanent legislative panel which is given by the  United States Senate rules and the United States House of Representatives .

The standing committee focus is to look at the issues and bills and give recomemdation for the same .

The task performed by the standing committee is -

look after the agency ,

control the programs .

This committee is permanent .

Hence , from the question , the statement given is regarding standing committees .