So I think the most important part was this part;
Some adverbs and adjectives look exactly the same. Although they look the same,it is easy to know the difference because adjectives describe noun while adverbs describe verbs, adjectives or adverbs.
Because at the first time I couldn’t separate them, to me it looked like , they had the same meaning.
Today, my friend Jenny, bought her first pet dog.
Nouns; Jenny, pet dog, friend
Adverbs; today, first
Pronouns; her
Adjectives; my
Verbs; bought