Explore is where you'll be able to access Article's, Video's, Files, Learning Tracks and Event's.
Step One: If you looking for a Learning Track look for the icon as illustrated below.
Step Two: If you looking for a File or Article look for the icon as illustrated below.
Step Three: If you looking for an Event look for the icon as illustrated below.
Step Four: If you looking for a Video look for the icon as illustrated below.