Comments in Drawings

You can add a comment to a section of text, an object or the entire drawing in Google Drawings. 
  1. Highlight the item you’d like to comment on.  
  2. Go to the Insert menu, and select Comment. You can also use the shortcut Ctrl+Alt+M(PC) or Cmd+Alt+M (Mac) to insert a comment.
  3. Click Comment to add it to the drawing for your collaborators to see.
  4. Type your comment in the box that appears to the right of the document, and press the Comment button
  5. To resolve a comment or discussion thread, click the comment and click Resolve.
  6. To view the comment history on a thread, including resolved comments, click Comments in the upper right of your document.

Comment on Drawings