1) The concept of virtual reality (VR) involves creating a simulated environment that can be explored and interacted with using specialized headsets and input devices.

2) Mount Everest, located in the Himalayas, is the highest mountain on Earth, reaching a peak elevation of 29,032 feet (8,848 meters).

3) The term "cloud computing" refers to the delivery of computing services, including storage, databases, and software, over the internet rather than on a local server.

4) The Bora Bora island, located in French Polynesia in the Pacific Ocean, is renowned for its stunning turquoise lagoons, white sandy beaches, and luxury resorts. It is a popular destination for honeymooners and those seeking a tropical paradise getaway.