Order : Describe/Explain Order.

Explanation

Order and other higher taxonomic categories are identified based on the aggregates of characters.
Order being a higher category, is the assemblage of families which exhibit a few similar characters.
The similar characters are less in number as compared to different genera included in a family.
Plant families like Convolvulaceae, Solanaceae are included in the order Polymoniales mainly based on the floral characters.
The animal order, Carnivora, includes families like Felidae and Canidae.