The global positioning system (GPS) is a space-based radio-positioning and time-transfer system. GPS satellites transmit signals to proper equipment on the ground. These signals provide accurate position, velocity, and time (PVT) information to an unlimited number of users on ground, sea, air, and space.
What help menu are you talking about?
Answer:
A. SmartArt
Explanation:
SmartArt is a graphical tool used to visually communicate information.