User blog:Jeremy.../I need your help

I dont know Anything about mods. I saw Zomboss's video at teh PVZCC wiki. I like it :D. But, i dont know wats MOD means D:. Can yo help me??????

PS: http://pvzcc.wikia.com/wiki/User_blog:Jeremy.../Mods - make a video u create wuth tat plants! Zombies will be soooooooooooooon!

PSS:I think about mod's name................................................