Step 1:
Writing and multiple rounds of self-edits

Step 2:
Developmental editing and revisions

Step 3:
Alpha reading (optional, if DE is chosen) and revisions

Step 4:
Substantive/Line editing and revisions

Step 5:
Beta reading and revisions

Step 6:
Copyediting and revisions

Step 7:
Formatting (not an editing stage)

Step 8:
Proofreading