The document discusses different types of briefs including contractual, formal, informal, co-operative, negotiated, commission, tender, competition, and formal briefs. It outlines the key advantages and disadvantages of each type. Key points include that a contractual brief legally binds the parties to complete a task, while an informal brief has no written agreement. A co-operative brief involves multiple companies working together on a project, while a negotiated brief is used when companies have conflicting ideas. The document also discusses reading, negotiating, and opportunities related to a brief.