Hello Carol,

If you made a comment or bookmarked the design dilemma, you can find it by clicking on 'Your Houzz' (top right corner). You'll see tabs for Ideabooks, Posts and Bookmarks. If you bookmarked the discussion, click on Bookmarks and it should appear there. If you made a comment, you can see it in Posts.

If you're using the app, tap the Houzz logo then tap Your Houzz and you'll be able to see Bookmarks and Your Discussions.

Hope this helps!