Farmville Guides: What is Ribbon ?

Ribbons

The ribbons are ribbons of recognition that are assigned to achieve a certain goal. For each goal there are 4 ribbons to be obtained: Yellow Ribbon, White Ribbon, Red Ribbon and Blue Ribbon. For each rosette obtained is given a reward of experience points and cash or in gifts (trees, decorative objects, structures, etc. ..).
There are 15 possible targets with which to confront and the number N varies by level:
Farmville Guides: What is Ribbon ?
Local Celebrity: You must have N neighbors;
Good Samaritan: N must help his friends;
High Roller: you must earn coins N;
A Pretty Penny: you have to spend to market coins N;
Cream of the Crop: you have to collect N sowing;
Knock On Wood: you reap the benefits from N trees;
Zoologist: you have to collect the products from N animals;
Architect: you have NO development;
Rat Pack, you'll need N decorations;
Animal Shelter: you must take N lost animals;
Shutterbug: you must take pictures to N different farms;
Green Thumb: you must collect different sowing N;
Tree Hugger: you reap the benefits from N different trees;
Noah's Ark, you'll need N different animals;
Not Spoiled, Gifted: You must take the box of gifts other than gifts NO.