What is special about dev tty

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ls -la /dev/tty shows the output:

crw-rw-rw- 1 root tty 5, 0 Dec 14 22:21 /dev/tty


What does c at the beginning mean? When I do something like PWD > /dev/tty it prints to the stdout. What does the file /dev/tty contain?

Apr 14 in Linux Administration by Soham
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