Final answer:
A blue line in a document generally indicates that changes are pending and can still be edited, which corresponds to a document-editing mode that tracks revisions.
Step-by-step explanation:
The question is asking whether it is true or false that before clicking on the 'file' button, a blue line in front of it indicates that the data is still pending and can be edited. The answer is False.
The blue line you're mentioning seems to be a user interface indicator that shows data is pending and can still be edited. When you mention clicking file, it suggests that you might be in a software application that uses a revision tracking or document-editing mode. In most applications, edits made directly to your document will appear in red (for added text) or red text with a strikethrough (for deleted text). If you are seeing a blue line, it might indicate that the changes have been made but not yet saved or confirmed. Typically, you can review and edit these changes before finalizing the file.