<P> There are three main types of committees--standing, select or special, and joint . </P> <P> Standing committees are permanent panels identified as such in chamber rules (House Rule X, Senate Rule XXV). </P> <P> Because they have legislative jurisdiction, standing committees consider bills and issues and recommend measures for consideration by their respective chambers . They also have oversight responsibility to monitor agencies, programs, and activities within their jurisdictions, and in some cases in areas that cut across committee jurisdictions . </P> <P> Most standing committees recommend funding levels--authorizations--for government operations and for new and existing programs . A few have other functions . For example, the Appropriations Committees recommend appropriations legislation to provide budget authority for federal agencies and programs . The Budget Committees establish aggregate levels for total spending and revenue that serve as guidelines for the work of the authorizing and appropriating panels . </P>

What are the various types of committees (not the list of committees) how are they different