There are visible facebook objective options as-
Brand Awareness – Increasing brand presence as per the audience interests
Reach – At a time number of people can be connected.
Traffic – Using the Facebook app, messenger or website page contributes to traffic.
Engagement – Number of posts shares, comments, likes on your post.
Catalog Sales – Ads which shows items from catalogs to the target audience.
Store Visits – Attract people to your store nearby to them.
App Installs – Increasing brand presence as per the audience interests
Video Views – Reach more people to increase your video view count.
Messages – Interaction to connect with them directly.