What Do WhatsApp Check Marks Mean ?

WhatsApp recently make some changes without providing instructions on their application,which creates much confusion for the users,So they starts searching on the Internet whats the matter behind this whatever the confusion is "what is the meaning of two blue ticks or grey ticks" .

What's the Meaning of Blue Check Marks in Whatsapp ?

As of November 5th,Whatsapp added the message read notification in their app for the ease of the users,much like facebook messenger to show when your mates have seen texts.Changes made the two grey ticks to blue automatically when your mate will actually read it the two blue ticks only that whatsapp server gets your text successfully.

If you send voice messages then you may noticed that there some colour changes going on there also,from green to the blue and from gray to the blue,So what does that means ?

When you send short voice message the message will shown you there with one grey check mark and after reaching at whatsApp server it changes to two grey marks and after seen by your friends it automatically changes to the blue sign.

And if anyone sends you the text message or the voice message then the same matter described above.