I will be creating the listed features
Product Backlog contains the Product Owner's assessment of business value
User Story is a description consisting of one or more sentences in the everyday or business language that captures what a user does or needs to do as part of his or her job function.
Features: Acceptance criteria, prioritization using MoSCoW, definition of done checklist, pie chart, assign labels, team members, activities, comments and issues.
Sprint Backlog is the property of the development team and all included estimates are provided by development team. Often an accompanying sprint planning is the board used to see and change state of the issues.
Features: Sprint planning using Kanban board, burndown chart, definition done checklist, effort, attachments, activities, comments and issues.
Issue is added in user story to one sprint backlog, or directly in sprint backlog. Generally, each issue should be small enough to be easily completed within a single day.
Features: Progress state (e.g. to do, in progress, done or archived), issue type (e.g. Improvement, Support Request, Feedback, Customer Problem, UX, Infrastructure, Testing Task, etc...), definition of done checklist, assign labels, effort, attachments, comments, activities, team member