 Stable Diffusion
DreamBooth
Prompt-to-Prompt editing
Stable Diffusion is comprised of the following models:
Text encoder 
UNet 
VAE 
Depending on the fine-tuning task, we may fine-tune one or more of these components (the VAE is almost always left untouched). Here are some common combinations:
DreamBooth: UNet and text encoder 
Classical text to image fine-tuning: UNet 
Textual Inversion: Just the newly initialized embeddings in the text encod