Adjectives and Adverbs

Adjective- Words used to modify nouns. They tend to answer the question which, what kind of and how many.
For example:
The tall man is leading the older generals. In this case tall gives a specification of which and older is a specification of what kind of.
The tall man had an army of three hundred. Saying he has an army of three hundred is a specification of how many.

Adverb- Words that modify verbs, adjectives and other adverbs. They usually answer the question how, but can also answer when, where and why.
For example:
He moved gracefully. Gracefully is the adverb modifying the verb moved while answering how.
That horse is terribly vicious. Vicious modifies horse while terribly tells us how vicious thereby modifying vicious.
For the most part they come after the nouns they are modifying however they come after if the verb is a form of be, feel, taste, smell, sound, look, appear, and seem.
For example:
The dog is smelling. Smelling comes after is as is is a form of be.