An important note or instruction

A warning about possible errors or important notes that require special attention

Anti-virus network

A new term or an emphasis on a term in descriptions

<IP-address>

Placeholders

Save

Names of buttons, windows, menu items and other program interface elements

ctrl

Names of keyboard keys

C:\Windows\

Names of files and folders, code examples

Appendix A

Cross-references to document chapters or internal hyperlinks to webpages