---
title: Understanding fields
shortTitle: Understanding fields
intro: 'Learn about the different fields and custom field types, how to add fields to your project, and how to manage custom fields.'
versions:
  feature: projects-v2
topics:
  - Issues
  - Projects
children:
  - /about-text-and-number-fields
  - /about-date-fields
  - /about-single-select-fields
  - /about-iteration-fields
  - /about-parent-issue-and-sub-issue-progress-fields
  - /about-pull-request-fields
  - /about-the-issue-type-field
  - /renaming-custom-fields
  - /deleting-custom-fields
allowTitleToDifferFromFilename: true
redirect_from:
  - /issues/planning-and-tracking-with-projects/understanding-field-types
  - /issues/planning-and-tracking-with-projects/understanding-fields/about-tracks-and-tracked-by-fields
---