Registered accounts can create posts in a number of ways. Easiest is right from the News Feed. You will find a bar above the first post in the feed, which reads “Post hot texts or links…”. Select it and the Posting Menu will appear to help you create a post.
On mobile, you can do this by tapping the pink Plus button at the bottom of your screen.
Regular Users are limited to posting on their Timeline using links to images, GIFs, or videos. Other posting options can be unlocked once you have completed the Verification Process, such as posting from your gallery to your Timeline or in topics.
Keep in mind, every member of the community is limited by a 5-minute Cooldown between posts in topics. You can use the Queue, Schedule, or Draft features, to help you set a continuous stream of content for your Followers.
You can also choose to start promoting a post as soon as it is created.