A "bug" or "glitch" refers to an error or flaw in software or hardware that causes it to behave unexpectedly. These issues can lead to incorrect results, crashes, or other malfunctions. Bugs can arise from coding mistakes, design flaws, or compatibility problems between different systems. In the world of technology, bugs are common and can affect anything from video games to mobile applications. Developers often release updates or patches to fix these glitches, improving the overall user experience. Identifying and resolving bugs is a crucial part of the software development process, ensuring that products function as intended.