A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.
for web developers seeking support for any web development software, for example Apache and PHP.
the act of copying data for use in case the original is lost or damaged
a popular subscription-based streaming media service, best known for streaming music
Permissions limit the users and groups that can access, write, and execute a file.
for questions about making elementary OS more accessible for users with disabilities, whether through the built-in features of the OS or additions