1. By Purpose:
* Informative: Aimed at educating the audience on a topic, providing information, or explaining concepts.
* Persuasive: Seeks to convince the audience to adopt a particular viewpoint, change their behavior, or take action.
* Entertaining: Focuses on engaging the audience and providing enjoyment.
* Special Occasion: Delivered at a specific event, such as a wedding speech, eulogy, or graduation address.
2. By Delivery:
* Impromptu: Delivered without prior preparation.
* Extemporaneous: Prepared in advance but delivered using notes or an outline.
* Manuscript: Delivered word-for-word from a written text.
* Memorized: Delivered entirely from memory.
3. By Audience:
* Public: Delivered to a large audience, often in a formal setting.
* Private: Delivered to a small group or individuals, often in an informal setting.
* Internal: Delivered within an organization to employees or colleagues.
* External: Delivered to individuals or groups outside of an organization.
4. By Style:
* Formal: Uses elevated language and complex sentence structures, typically delivered in a serious tone.
* Informal: Uses simpler language and more conversational tone, often used in casual settings.
It's important to note that these categories can overlap, and a single speech might incorporate elements of multiple categories. For example, a persuasive speech might also be delivered extemporaneously and be intended for a public audience.