
KML stands for the keyhole markup language. KML is a file format that shows geographical data in the earth browser such as google earth. KML is a tag-based structure and with the nested elements and structure and based on the XML standard. All tags are case-sensitive and this tags reference depends on the KML file.
It includes line, polygon, images. It is used to identify label location, find a camera angle, overlay texture and add HTML tag.KML has a .kml or .kmz filename extension. That KML is developed by Google, keyhole, Inc. KML is a geographic and an information system file type. KML is an XML based extended form. That KML file uses a primarily by the google earth application that is used by other mapping systems that use as well as the other mapping system.

