Explore your team site
A SharePoint team site connects you and your team to the content, information, and apps you need.
Homepage
See News for the latest happenings with your team, such as news posts, information, and updates.
Select Add if you'd like to create a news post.
When someone adds or edits a file, page, or list, Activity lets you see this at a glance.
If you have permission to edit your site, select New to add a List, Document library, Page, News post, or App to your site.
Left navigation pane
Use Search to look for files on the site.
View and engage in ongoing Conversations with your team.
Store and share files in Documents — a default document library for your team.
Manage your site with Pages or Site contents.
Source: Microsoft