# Please explain the concept list variable in the Colab file

**URL:** <https://discuss.huggingface.co/t/please-explain-the-concept-list-variable-in-the-colab-file/26016>\
**Category:** 🧨 Diffusers\
**Created:** [November 13, 2022, 6:49pm UTC](https://discuss.huggingface.co/t/please-explain-the-concept-list-variable-in-the-colab-file/26016 "2022-11-13T18:49:47Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Metaphorz](https://sea2.discourse-cdn.com/hellohellohello/user_avatar/discuss.huggingface.co/metaphorz/32/12526_2.png) [@Metaphorz](https://discuss.huggingface.co/u/Metaphorz)\
**Post date:** [November 13, 2022, 6:49pm UTC](https://discuss.huggingface.co/t/please-explain-the-concept-list-variable-in-the-colab-file/26016/1 "2022-11-13T18:49:47Z")

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RE: Dreambooth Stable Diffusion notebook

The colab files contains a “concepts\_list” dictionary with 4 values: instance\_prompt,  
class\_prompt, instance\_data\_dir, and class\_data\_dir. What are these for? Let’s say my  
20 images are in /content/data/myimages. what is the meaning of zwx or ukj in the example notebook ?