What is "configure" mean in regards to items in your inventory?

[FoxFeathers]

I haven't a clue what it's supposed to do? :/

 

[Wildtown]

XD i would also like to know i just saw that well looking in my inventory!

 

[xSuperMario64x]

I was going to post this same question.

Also what does it mean to send a collectible with no configuration?

 

[Snowesque]

I don't think it does anything except for certain collectibles that are add-ons.