Quick meaning
An error shown when a server is temporarily unable to handle requests, often due to maintenance or overload.
Think of it like this
Like a shop with a "Closed for stocktake" sign — temporarily unavailable, not gone for good.
Where you may see this
You may see this when reading websites, browsing settings, or following basic online instructions.
Why it matters
Knowing this word makes everyday web tasks feel less intimidating and helps you follow step-by-step guides more confidently.
Say it simply
Service Unavailable (503) means: An error shown when a server is temporarily unable to handle requests, often due to maintenance or overload.