Story Types

Stories can be any of the following types:

User Story
Used to capture the description of a software feature from an end-user perspective. It helps create a simple description of a Requirement.
Epic
An Epic encapsulates a large body of work or numerous Stories. It should be broken down into numerous smaller Stories.
Theme
A theme is used to track of group of Stories that share common traits and can be grouped together.
Tech To Do
Describes a Story that usually contains technical debt.
Defect
Used to track actual product Defects