Meaning of Whats
Unknown / অজানা / अज्ञात
contraction of what is or what has: What's the matter? What's been done?
contraction of what does: What's she do for a living?
(used interrogatively as a request for specific information): What is the matter?
(used interrogatively to inquire about the character, occupation, etc., of a person): What does he do?
(used interrogatively to inquire as to the origin, identity, etc., of something): What are those birds?