Issue fields and statuses
These are the pieces that make up the issues you work on:
Issue fields
Issue types
Your default issue types depend on what Jira application you have installed. We've listed all the default issue types for each application:
Issue priorities
An issue's priority indicates its relative importance. The default priorities are listed below; note that both the priorities and their meanings can be customized by your administrator to suit your organization.
Issue resolutions
An issue can be completed, or resolved, in many ways. An issue resolution is usually set when the status is changed. The default resolutions are listed below; note that your administrator may have customized these to suit your organization.
Note that once an issue has been resolved (that is, the issue's Resolution field is filled in), textual references to that issue will show the key in strikethrough text.