The
Artigo Definido, used to specify a noun. EX.:
The pen is on the table – a specify pen and a specify table
Used with uncountable nouns. EX.:
She jumped into the water – a specify place with the water that we are talking about.
Refer to places. Ex.:
Name of ocean, sea and river – The Indian Ocean.
Points on globe – The equator.
Geographic areas – The Middle East.
Desert, forests, gulf and peninsular – The new forest.
Unique nouns, a species – I love the moon.
Compounds names of countries. EX.:
I am going to the United States of America
Right: I am going to Brazil.
Wrong: I am going to the Brazil.
Family name – The smiths.
Adjectives used as noun in the plural – The powerful are here.
Before superlatives – The biggest.