tag(A marker that can be applied to content or items (like photos or text) to identify certain types of information. This allows the user to find, view and sort tagged items with ease)
Tags(A feature that allows the user to apply custom or default markers to items (e.g. Outlook messages or OneNote content) in order to categorize information for easy retrieval and sorting)
labelling Attaching a notice to a product or container bearing information concerning its contents, proper use, manufacturer and any cautions or hazards of use