Bidding is competitively offering a price that the bidder or the person offering a bid is willing to pay for a commodity this commodity can be anything, cars, bikes, properties, etc. The price offered is called a bid, the person offering the price is called the bidder and the entire phenomenon is known as bidding. https://www.educba.com/bidding-vs-auction/

Listing - a product for sale Bidder - the person offering the price is called the bidder Bid - a maximum price offered by a bidder to purchase a listing Seller - the person selling a listing Bidding - a competetive process of offering a price for listing of a comodity for sale

• bidder places a bid
• bidder retracts a bid