Atlasssian JIRA workflow software requires graphically expressed Priority values.

That means images.

Here they are, from 0 to 10, including ? (question mark). Used font is New Brilliant.

#####We are using following priority names:

In this Sprint or never!

Highly important

Important

Required

Needed

Desirable

Wanted

Nice to have

Lifts the spirit

Minor

If there is really nothing else to do...