What is the difference between NATED and NCV?

Good Evening Sir
Hope you well?
My question is I obtain L4 Finance, economics and accounting. Later I wrote NSC private for Adult now I passed four subject now I want to merge my Maths Lit and Life Orientation of L4 and my NSC subjects any advice?

Is tvet college correspond with matric college, why im askin is i have outstandin subject on L3 i need to rewrite because i already passed L2 &L4 and tvet they dont take part time for NCV so is it possible to study the subject matric college?

Hi sir can I apply at university for undergrad using nated ?

Thank you

Can I get in with grade 11 or I will have to start all over level 1

Thanks so much!!!!