let me understand that

[vinicio]

The avchievement of the different objectives were:
Understand what is sociolinguistics
Understand what sociolinguistics is

metaphors are used mainly by men or
metaphors are mainly used by men

thanks for help me

vinicio

[Casiopea]

Try,

[1] ... what sociolinguistics is (e.g., about, related to, etc.).
[2] Metaphors are used mainly by men or used by men, mainly.

Hope that helps.

[vinicio]

Thanks for your help

Viele danke

[Casiopea]

You're welcome, vinicio.