The Jira family of applications are built to deliver a tailored experience to their user. JIRA Core is the default application of Jira, and will always be present in a Jira instance. You may also choose to include other applications in your instance, such as JIRA Software or JIRA Service Desk. A user may require access to one, all, or any combination of these applications. JIRA Core は既定のアプリケーションであ