The job, or function, of a word is what gives the label for its part of speech. English has eight parts of speech which are:
An adverb is a word which modifies the meaning of a verb. They tell how, when, and where an action was performed.
She sang beautifully. [how]
She sang here. [where]
She sang yesterday. [when]
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
The correct answer is
The smallest number is the one that comes first while counting.
To arrange the given numbers in order from smallest to greatest, find the smallest number among all the given numbers.
21 is the smallest number.