show products after overriding templates woocommerce or using hooks

I have my own template and after overriding templates like the instruction of https://wcdocs.woothemes.com/codex/template-structure/

beside link above I read other link doc :
https://wcdocs.woothemes.com/codex/third-party-custom-theme-compatibility/

But I don’t how to start from where is and how to show products at frontend, the construction of webpage is too short for me.

further more, how can I add menu from product category like : T-shirt, hat… and when users click on these products they will be show
Beside of link abo
Thank you for reading my topic