Content editing
Proofread
Your text is already written and edited and just needs another check for remaining errors.
Copy edit
Your text is written and formatted and needs a minor revision for syntax, spelling, punctuation and other sentence level errors.
Content edit
You have the outline of your text and the ability to stay on topic, but need help with continuity, readability and usability.
Developmental edit
You need help getting started, creating an outline, conducting research and remaining motivated while writing.