The Projects module is a portfolio. Each project has a title, category, short and long descriptions, a thumbnail (or an embedded YouTube video), and a set of links (social profiles, external pages, anything relevant).
Showing them on your site
Add a Projects Grid element to a page through the page builder to display your portfolio there, or link visitors to an individual project's own page at /projects/{slug}/.
Ordering and SEO
Projects have a display order, so your strongest work can lead regardless of when you added it. Each project also carries its own SEO title and description, and can be excluded from your sitemap if it's something you'd rather not surface in search.
Beyond the built-in grid
If the standard grid isn't the layout you want, a custom module can render the same project data however you like. See Custom Modules.
Not using a portfolio? Turn the module off under Settings → Modules.