n text prompts to achieve very fine-grained control of the resulting images. 

By using just 3-5 images you can teach new concepts to a model such as Stable Diffusion for personalized image generation (image source).
This technique was introduced in An Image is Worth One Word: Personalizing Text-to-Image Generation using Textual Inversion. The paper demonstrated the concept using a latent diffusion model but the idea has since been applied to o