1. Invention (Inventio): This focuses on the discovery and development of arguments and the content of a speech. It involves finding the appropriate topics, evidence, and arguments to support your claims.
2. Arrangement (Dispositio): This refers to the organization and structure of a speech. It involves arranging the content in a logical and compelling way to guide the audience through the message.
3. Style (Elocutio): This concerns the language and phrasing used in a speech. It involves choosing words that are clear, vivid, and appropriate for the audience and occasion.
4. Memory (Memoria): This deals with the delivery and retention of information. It involves developing techniques for remembering and recalling the content and arguments of a speech.
5. Delivery (Actio): This focuses on the physical presentation of a speech, including voice, gestures, and facial expressions. It involves using these elements to enhance the impact and effectiveness of the message.
These canons provide a framework for effective communication and persuasion. They are still relevant today, even though their specific applications may vary depending on the context.