Sharepoint 2013 overview:

Share:

Connect with employees across the enterprise. Use SharePoint to engage with people, share ideas, and reinvent the way you work together.

Organize:

Whether working as a team or an individual, SharePoint helps you organize information, people and projects

Discover:

SharePoint makes it easy to find answers, discover insights and connect with experts

Build:

Developers and web designers can create new experiences on SharePoint using familiar tools and internet standards

Manage:

SharePoint provides powerful controls that allow IT departments to manage cost, risk and their time