Final answer:
User-generated content refers to online consumer comments, opinions, advice and discussions, reviews, photos, images, videos, podcasts, webcasts, and product-related stories available to other consumers.
Step-by-step explanation:
The option that refers to online consumer comments, opinions, advice and discussions, reviews, photos, images, videos, podcasts, webcasts, and product-related stories available to other consumers is User-generated content. User-generated content is content that is created by users of a platform or website and shared with other users. It can include reviews, comments, photos, and videos.