If you are doing basic WordPress site you are sure going to come to a need for displaying your posts by certain tags or categories. Collectively these are called taxonomies, they are a way for you to categorize your site into some logical parts.

In this episode we are going to learn how you can display posts that belong to certain categories, tags or even how to display posts that don’t belong into those taxonomies.

For this we are going to be using cat, tag, category__in, tag__not_in and similar properties that WP_Query object provides for us.