Messenger is an instant messaging service and software application. Originally developed as "Facebook Chat" in 2008, the company revamped its messaging service in 2010, and eventually released standalone iOS and Android apps in August 2011. The package name orca is a development internal codename, likely referencing the speed and social nature of the killer whale species, which aligns with Meta's branding for lightweight, fast infrastructure.
The link provided points to the listing for a specific application. Messenger is an instant messaging service and software
If you want, I can: