Order - transitive verb - 1. to put in order : arrange - "The books are ordered alphabetically by author."
noun - 4. b(1) the arrangement, organization, or sequence of objects or of events - "alphabetical/chronological/historical order" "listed the items in order of importance"
Sort - transitive verb - 1. to put in a certain place or rank according to characteristics - "sort the mail" "sorted the winners from the losers" "sorting the data alphabetically"
noun - 5. an instance of sorting - "a numeric sort of a data file"
"sorting" means assigning things into bins (which are usually ordered).