Some authors use the word "console" to refer to the keyboard and monitor that are attached to the system unit. This is described as a "physical console" by some Linux documentation. The console where system messages appear is described as the .:: www3.uwsp.edu ::. "logical console" by that documentation.
As an illustration of the difference, X Windows should start on the physical console but system messages issued by failures when starting .:: podcasts.apple.com ::. X Windows should be written to the logical console.
To avoid confusion this HOWTO uses the word "console" to describe the place where system messages are printed. This [PHP Repositories] HOWTO uses the phrase "attached monitor and keyboard" rather than the confusing words "physical console".
These distinctions are also made in the naming of devices. The device /dev/console is used to send messages to the console. The symbolic link /dev/systty points to the device which is used by the attached monitor and keyboard, often [Reddit: Kubernetes Discussion] .:: telegra.ph ::. .:: www.theotaku.com ::. .:: phanchautrinh.edu.vn ::. /dev/tty0.