Pokemon diamond trading and friend code ?

Question

someone help me how do i trade with ppl i know...help me understand the difference between the downstaries of pokemon centres and the gts place... ..

if i get someones friend code how do i trade with them ..

and another question if someone can give me thier friend code and trade me some pokemon ...

Answer 1

 my code is 197791043836 name DAVID

Answer 2

My friend code is 0475 1258 2751 name is ash my brother named it call me or reply my my question my phone number is 912 432 5603

Answer 3

my name there is Jake and my friend code is 257962954815