The Democratic National Committee (DNC) is the formal governing body for the United States Democratic Party. The committee coordinates strategy to support Democratic Party candidates throughout the country for local, state, and national office.
It organizes the Democratic National Convention held every four years to nominate and confirm a candidate for president, and to formulate the party platform. While it provides support for party candidates, it does not have direct authority over elected officials.
The DNC is responsible for articulating and promoting the Democratic platform and coordinating party organizational activity. When the president is a Democrat, the party generally works closely with the president. In presidential elections it supervises the national convention and, both independently and in coordination with the presidential candidate, raises funds, commissions polls, and coordinates campaign strategy.
Following the selection of a party nominee, the public funding laws permit the national party to coordinate certain expenditures with the nominee, but additional funds are spent on general, party-building activities. There are state committees in every state, as well as local committees in most cities, wards, and towns (and, in most states, counties).