Show the picture to answer the question
Opening unfamiler emails and visiting unknown websites
True.
Windows is an operating system built by Microsoft. Chrome and Android are operating systems built by Google. MacOS (Macbook pro etc) and iOS (iPhone, iPad, Apple Watch etc) are operating systems built by Apple.
Engineers build applications or apps for all of the above operating systems (OS). For example, Microsoft Word menus will look slightly different on Windows vs on a Mac. The underlying functionality maybe the same but the way it looks may have subtle differences.
Think of the OS as the foundation of a building. Once you have the foundation, you can build a house, a skyscraper, an office building etc depending on what you want to build.
An ordinance is the name typically used for a law passed by a local political subdivision, such as a city, county, village, or town. Ordinances may address a wide variety of local issues, from local government structure to speed limits and sign sizes.
You should change the name of the function