Opera is used as an internet browser and internet suite, which basically means it also includes things such as an email client, a torrent downloader, a download manager, widgets, an IRC client, etc.

An opera is a dramatic work to be sung with instrumental accompaniment, usually with scenery and in costume.

Opera is also the name of the web browser and internet suite by Opera Software, which includes a web browser, email client, IRC client, BitTorrent client, etc.

Opera is the name of an Internet Browser.

A web browser and internet suite developed by Opera Software ASA. It currently has a low marketshare outside of Europe, but introduced many of the features that are mandatory or extremely helpful today, such as tabs, voice navigation, Speed Dial, mouse gestures, etc.

Suite.