Google Images is a search engine for locating images online. Search Tools can be used to refine search results. For example, you can refine by size, colour and type of image.
Images come from a variety of online sources and whilst they may freely accessible to look at, they are subject to copyright rules that govern the use of images.
See this guide for more information:
Copyright is a complex topic. Before using an image:
Creative commons is a type of copyright license that enables the creator to determine how their work may be used, distributed or modified.