Does every word have a case?

1. Is it OK to capitalize every word?
2. What words have no capital letters?
3. Why do people capitalize every word?

Is it OK to capitalize every word?

In general, you should capitalize the first word, all nouns, all verbs (even short ones, like is), all adjectives, and all proper nouns. That means you should lowercase articles, conjunctions, and prepositions—however, some style guides say to capitalize conjunctions and prepositions that are longer than five letters.

What words have no capital letters?

Traditionally, the titles of documents in English are given maximal capitalization. That is to say, capitalize the first word and all nouns, pronouns, adjectives, verbs and adverbs. Do not capitalize articles, conjunctions or prepositions.

Why do people capitalize every word?

They have three main purposes: to let the reader know a sentence is beginning, to show important words in a title, and to signal proper names and official titles.