Question

what do you understand by draft​ message and spam ?

Answer 1

the messages that u sent...but due to some problems it can't be sent....these messages are saved as draft....
spam- fake messages...

Answer 2

HELLO!!

Draft messages are messages which have to be sent but are saved to be sent at right time or which cant be sent due to any possible reasons.These messages are saved.

Spam messages are the messages which are sent to you by fraud companies, people or dangerous hacking sites, terrorists or other people.
These messages should not be opened until u r sure that they r beneficial.

HOPE IT HELPS!!