Django templates are a powerful tool for generating static HTML from the outputs of a Django View, using a templating language that allows developers to insert dynamic data into the HTML page. The templating system provides built-in tags and filters that make it easy to perform common repeatable tasks, such as formatting dates or generating URLs. Template tags include if, for, include, extends, load, block, csrf_token, and url, which are used to add conditional logic, loop over lists of items, include other templates, inherit from base templates, load custom template tags, define blocks of content, generate CSRF tokens, and generate absolute paths references, respectively. Filters transform the values of variables and arguments using the pipe operator, and can be used to convert types, format dates and numbers, and perform other complex transformations. Best practices for working with Django templates include deciding on a templating engine, keeping templates consistent, using template inheritance, being mindful of handling querysets, keeping templates simple and concise, avoiding hardcoding URLs and strings, considering template caching, debugging templates, and making use of third-party template libraries. By following these best practices, developers can create efficient, maintainable, and reusable Django templates that enhance the performance and user experience of their applications.