Validators in JIRA workflows are used to enforce specific conditions before allowing a transition to occur. They enable complex customization by checking various parameters before allowing transitions.

You can create a custom field specifically for use on your Agile board by navigating to the JIRA settings and accessing the "Custom Fields" section. From there, you can define the field's name, type, and other properties to tailor it to your board's requirements.

In Kanban, when a task is in the "Done" column, it means that the task is completed and ready for deployment. This signifies that all the necessary work on the task has been finished, and it's now ready to be delivered to the customer or integrated into the product.

JQL (JIRA Query Language) allows users to create custom queries to find issues based on various criteria, including resolution date. This functionality enables the team member to specify the resolution date range and retrieve the desired issues.

The purpose of JIRA's "Issue Navigator" is to filter and search for specific issues based on various criteria such as project, issue type, status, priority, assignee, and more. It allows users to create complex queries to generate custom reports for advanced reporting needs.

JIRA utilizes webhooks to handle real-time updates when integrated with external tools. Webhooks allow external systems to receive real-time notifications from JIRA whenever certain events occur, such as issue creation or status changes. This ensures timely updates and synchronization between JIRA and other tools.

In a JIRA workflow, a "post function" is a feature that performs automated actions after a transition is executed. These actions can include updating fields, sending notifications, or triggering additional transitions, streamlining the workflow process.

The "Issue Type" field in JIRA is used to categorize the type of work being done or the nature of the problem being addressed. Common types include Task, Story, Bug, and Epic, which help in organizing and prioritizing work items effectively.

The "customer satisfaction survey" in JIRA Service Desk serves the purpose of gathering feedback from customers about their experience with the service desk. After an issue is resolved, customers may receive a survey asking them to rate their satisfaction with the support they received. This feedback helps organizations identify areas for improvement, measure customer satisfaction levels, and make informed decisions to enhance service quality.

In JIRA, custom issue types allow teams to tailor the platform to their specific workflows and requirements. These custom issue types can represent various tasks, bugs, or other work items that align with the team's processes and terminology. Custom issue types enhance flexibility and clarity in project management within JIRA.