Bidding is an official business process that involves the offering of goods or services at a certain price. It is a way of competing for contracts or other items of value, and is a common practice in many industries. Bidding can involve a variety of different methods, such as sealed bids, open auctions, and reverse auctions. In a sealed bid, each bidder submits a sealed offer to the seller, and the highest bidder wins the contract. In an open auction, bidders openly compete against each other in a public setting, and the highest bidder wins the contract. Finally, in a reverse auction, the seller sets a price and bidders compete to offer the lowest price. Bidding is an important part of the business process, as it allows companies to secure the best possible deals for their goods and services.