Feature, Function, and Class

color

shape

size

texture

taste

how it makes you feel

number or how many...

what something is for

something can be for eating

or for preparing food

to be used for writing

for playing music

something you can watch

you put on... et cetera

...what "group" something belongs in

for example: apples, pizza, chocolate bar are in the group FOOD

another example: cars, airplanes, ships are in the group VEHICLES

or pencil, paper, computer can be things that belong in the SCHOOL or OFFICE SUPPLIES group

sharks, dogs, birds are in the group ANIMALS