On the left side of the map view, you will find basic navigation tools. The +/- arrow help to control the zoom of the map. You can also zoom with a double-click with your mouse or pinch zoom on a phone or tablet. The search icon allows users to search for their location. The pin will use the location services on your device to find your location. The layers icon will change the base map from a basic map to a satellite imagery map.
Here are some additional tricks and shortcuts for navigating around the map: