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 questions about dual-booting Windows and elementary OS and other Windows related issues after dual-booting. Questions about Windows are off-topic (head to SuperUser)
a lightweight, fast, and free web browser. It aligns well with the Xfce philosophy of making the most out of available resources. It is the default browser in elementary OS.
Questions about mounting file systems. (Examples include a CD, a DVD, an external hard drive and a USB thumb drive.)
The pointing device (generally referred to as the mouse). When referring to laptops, please specify if it is the trackpad and not an external mouse by using the trackpad tag.
Questions about Noise, the default music player included in elementary OS
The standard Ubuntu file browser. Note that the elementary OS file browser is pantheon-files.
for networking and internet related issues in elementary OS
Questions relating to notifications on elementary OS
Questions relating to NVIDIA GPUs on elementary OS.
Tools for installing and maintaining software packages.
Questions relating to Pantheon, elementary OS's desktop shell.