concept Newest_Content_Page
  purpose provide users with the latest content on the New Items page.

  state
    time_frame: Time
    displayed_items: set Item

  actions
    displayNewestContent()
      pre true
      // Additional logic to display the newest content on the page
      // Display items posted in the past 3 minutes with positive scores, excluding operator commands.
      set time_frame, displayed_items to generateNewestContent()

  operational principle
    after displayNewestContent(), the page shows items:
    	from the past 3 minutes,
    	with positive scores,
    	excludes operator commands

  where
    generateNewestContent(): (Time, set Item)
      pre true
      // Additional logic to generate content for the newest content page
      return (current_time - 3 minutes, items_within_time_frame_with_positive_scores)


