Django tutorial
https://developer.mozilla.org/ja/docs/Learn/Server-side/Django/skeleton_website
graph TD
A[HTTP\n Request] -->| | B[URLS\n urls.py]
B -->| Forward request to appropriate view| C[View\n views.py]
D[Model\n models.py] <-->|read/write\n data| C
C -->| | E[HTTP Response\n HTML]
F[Template\n file.html] -->| | C