A ZIP+4 code uses the basic 02119 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Roxbury city block, a group of apartments, an individual high-volume receiver of mail or any other unit that could use an extra identifier to aid in efficient mail sorting and delivery in Massachusetts.
A proper noun is different from a pronoun. Days of the week are always capitalized and are proper nouns. Names of cities and names of people are proper nouns. Pronouns are words like he, she, it, you, yours. Yes, the days of the week are proper nouns and always capitalized. Pronouns are a class of words used to refer to other specific nouns. The most common English pronouns include he, she, it, me, I, us, we, you, they and them. If you capitalize it in the middle of a sentence, it's (generally) a proper noun.
KINDS OF NOUNS. Proper Nouns and Common Nouns. Proper nouns are nouns that represent a unique entity (like a specific person or a specific place). Common nouns which describe an entire group of entities (examples would be the nouns village or women). Proper nouns as a general rule are capitalized in the English language. Common nouns as a general rule are not capitalized. Sometimes the same word can function as both a common noun and a proper noun, where one such entity is special. For example the common noun god refers to all deities, while the proper noun God specifically refers to the monotheistic God.