Conditions are applied to transitions in JIRA workflows to ensure certain criteria are met before allowing the transition. These conditions can range from field values to user permissions, ensuring workflow integrity.

Conditions are rules that determine whether a transition is available to a user based on certain conditions such as the value of a field, the user's role, or the issue's status. Validators, on the other hand, validate user input during a transition. Post Functions are actions performed after a transition. Resolutions are options for closing an issue.

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.

Velocity is the metric used in Agile to measure the amount of work completed by a team in a fixed time frame, typically a sprint. It helps teams understand their capacity and predictability.

The ability to restrict issue transitions based on conditions can be achieved through JIRA Workflows. Workflows in JIRA define the series of steps an issue goes through during its lifecycle and can include conditions to control when transitions between steps are allowed. By configuring workflows effectively, organizations can enforce business rules and streamline their processes. Thus, option 1 is correct.

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.

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.