Is picture a proper noun

No, the Word "picture" is not a proper noun; it is a common noun that refers to a visual representation or image. Proper nouns name specific people, places, or organizations and are usually capitalized, such as "Eiffel Tower" or "Mona Lisa." However, if "Picture" is used as part of a specific title, such as a movie or book title, it could be considered a proper noun in that context.