list of products in order of attribute or functionality

[Claudio_Shop]

Hi everyone,
I have this request in my PS 1.7.5.2, I would like to show the list of products from the frontend in "Functions" order (Catalog-> Attributes and functionality). In this way the order of the items must change according to the order of the function.

[Claudio_Shop]

PS1.7.5.2

Hi everyone, I would like to know if it is possible, to place the order of the products on the front-end according to the order set a specific "Attribute" (back-end Catalog-> Attributes and Functionality-> Attributes).

Ex. I create a new Attribute called PLUTO inside I create in order:
Red
Black
BLUE

When the customer enters the front-end he selects a category and has to see first all the articles with the red attribute then all the articles with the black attribute and finally all those with the blue attribute.

Thanks in advance