The first step is to give the post a reference name, this should be descriptive of what the post is about since you can search for it in the future. This is only used internally in Salsa Engage.
You will then want to give it a description. Since you likely will have a lot of social posts within Salsa Engage, it is best to be as descriptive as possible to find specific posts later. This is also only used for internal reference.
Click the Next: Compose your post button in the lower right hand corner to continue.