Google Drive is a file hosting service that provides 15GB of free storage. Users can access files from any device by signing into their Google Account. Google Drive stores files uploaded by the user as well as documents created using Google Docs, Sheets, and Slides. Google Docs allows multiple users to collaboratively edit documents and spreadsheets in real time from different locations. It has advantages like mobile access and ability to open many file types, but disadvantages include lack of offline access and need for internet connection. The document provides instructions on how to use key features of Google Drive and Google Docs like uploading files, changing file views, searching, and sharing documents.