To mark a specific message in WhatsApp for your convenience this starred message of WhatsApp Features plays a great role.
STEP 1: Tap and hold the message that you want to star.
STEP 2: Tap star icon.
Can everyone see WhatsApp starred messages?
No, Starred messages can only be seen by the person who has marked a star on the message they wish to remember.
Do starred messages get deleted?
It will only get deleted if you select all messages to
delete. A notification will pop up when you delete a message whether you wish
to delete your starred messages or delete chats except starred messages.