This image shows a portion of the Create stack, Configure variables page.

On the left there are icons indicating the workflow:
1 Stack Information
2 Configure Variables, which is in bold font to indicate it is the selected page.
3 Review

There are these fields with sample text:
-My Oracle Support(MOS) User ID Optional
-My Oracle Support(MOS) Password Optional

There is a Tags Optional section with text "Add tags to organize your resources. What can I do with tagging?" (The question is a link.)
There are two rows with fields for Tag namespace, Tag key, and Tag value.
There is an Add tag button.