Google APIs are application programming interfaces developed by Google which allow communication with Google Services and their integration to other services.
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
PayPal is a American international e-commerce service that enables companies and individuals to send money and to accept payments without revealing any financial details.
websites using the $ symbol on their website - meaning it may accept payment in this currency used in Israel.
Google's hosted library for web fonts. Allows websites to choose and use fonts from a free, wide variety of fonts.