What is the difference between tell and say?

[Ingolf]

English Language Tests, Intermediate level

ESL/EFL Test #118 "Verb Tenses", question 8

OK. ......... me about it.

(a) Tell
(b) Say
(c) Speak
(d) Talk

English Language Tests, Intermediate level

ESL/EFL Test #118 "Verb Tenses", answer 8

OK. Tell me about it.

Correct answer: (a) Tell
_________________________

The correct answer is tell because the person wants someone to tell him about something, right?
Ingolf

[Torsten]

Yes, you are right.
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