The use of colon in the sentence

grammaticality punctuation colon

A Colon separates two halves of a sentence when the second half is directly relating information about the first half.

Related

Where to use 'historic' and where to use 'historical' [closed]
An e in "absured"?
Can any verb in the simple present tense express a scheduled future event when used in a main clause?
How many can be "first" or "last?" [closed]
Is there a word in English that essentially means "I" or "we" in formal context?
Meaning of a frat boy on a road trip [closed]
Is there a noun for "unpaid debts"?
Can I replace "but" with "while" in this sentence? [closed]
Errors were encountered while processing: /var/cache/apt/archives/apport_2.20.1-0ubuntu2.4_all.deb
Enable wifi firmware on Ubuntu 12.04
How to turn Ubuntu into LXDE without a fresh system instruction?
Mixed mode in Steam (wine/native)