Subtasks are used for dividing tasks in Jira, enabling distinct milestones in the journey toward task completion. In Jira, issues form the fundamental elements of projects, while subtasks offer additional detail, allowing for a deeper focus. In this guide, you can learn how to incorporate subtasks into your task planning process, introducing an additional layer of organization and control to the execution and oversight of work. 

Screens are a group of available fields defined in Jira applications organized for user presentation. In this tutorial, Michael from Project Flow demonstrates how to utilize screens in Jira to set different screen schemes depending on issue types. The tutorial will begin from scratch, using Jira Cloud (it will also work similarly for Jira Server or Data Center).  

This 6-hour Jira training video is a comprehensive course on Jira Agile project management designed for beginners. It covers all the key concepts of Jira Agile, making it an ideal resource for software development teams, Scrum Masters, Product Owners, and Project Managers.