If you click on Journals and Services, sssay will lead to a drop down box from where you can send your document to any number of journals or preprint servers.
This is usually a one-step process of submitting to a journal or preprint service and very handy. The question mark is about obtaining help in the form of tutorials, and videos I strongly encourage you use this.
The cog-wheel is for customising Overleaf.
If you are starting out and you do not know what you are doing, there is no need to touch this and stick with the default.
Another Writing Tip Don't Write Two Results Sections. Yet Another Writing Tip Avoid Unwarranted Speculation.Read more
In the end, nearly everyone benefits from clarity and simplicity. Center for Persons with Disabilities Utah State University 6807 Old Main Hill Logan, UT 84322-6807 435.Read more