functionality of django blog

Can any one please explain me the functionality of this blog APP, https://github.com/nathanborror/django-basic-ap开发者_开发百科ps

What is category and why is that a Mamy to Many field with POSt what is the concept of this blog App

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You can categorize your blog posts

For example you can create categories: Life, Career, Hobby And then you can associate the blog posts to the categories (many of them)

You can look at my blog, to understand what I mean (categories are on the right):

http://b-fil.com/blog/