This is the 3512th most frequent Russian word.
расскажет
"Will tell" or "will narrate."
This usage of 'расскажет' implies a future clarification or conveying of individual matters during a planned event.
Каждый расскажет свою часть плана на собрании.
Everyone will tell their part of the plan at the meeting.
The verb 'расскажет' is used to indicate a future action of narrating or recounting something.
Он расскажет эту историю завтра.
He will tell this story tomorrow.
Here, 'расскажет' is employed to denote an expected future sharing or explanation.