How to move a draft to another category
You can move a draft into a category or subcategory while editing the page itself.
Step 1. Create a new draft page or edit an exiting page and click Choose Category / Subcategory in the upper left corner.
Step 2. Choose the category and subcategory.
Step 3. Click Move draft.
You will be returned to editing the page which now is located in the category/subcategory you chose.