Adjectives are words that describe or modify another person or thing in the sentence. Usually it is used to describe a noun, but an adjective can also describe a verb (an action).
adjective + past participle Adjectives ending in -ED are usually used to express a passive meaning.
the result of an action or the reciever of a feeling
adjective + present participle Adjectives ending in -ING are usually used to express an active meaning.
the cause of a feeling or the giver of a feeling