Save your database design
When you are finished designing or modifying a database, you need to save your changes. You have the option to add a comment. The comment displays in the Versions tab of Designer.
In the top right corner of the Designer, click Save, then:
If you do not want to add a comment, click Save.
If you want to add a comment, click Comment and Save > type your comment and click Save.
Next step in the design a database process:
Build the database