server
Definition:
Servers come in many flavors but the main thing to know is that a server is usually a high-performance, large-capacity computer. Other computers, called clients, usually connect to a server to retrieve files, view web sites, request email along with many other functions.
Here's a word you may not know...
wi-fi hotspot
A wi-fi hotspot refers to a public wireless Internet connection. Wi-fi hotspots are common in coffee shops, hotels and other places people gather. If you have a laptop or mobile device with built in wireless connectivity, you should be able to easily connect to the Internet using a wi-fi hotspot. It should be noted that not all wi-fi hotspots are free and that some businesses charge a usage fee to use their wi-fi hotspot.