The document discusses different types of briefs that can be used when working on a project for a client. It defines and compares contractual, formal, informal, co-operative, negotiated, commission, tender, and competition briefs. Key details include legally binding agreements in contractual briefs, flexibility in informal briefs, and the need for companies to agree on negotiated briefs. The document also provides an example of a formal brief being used for a set of vegetarian recipe cards.