Punctuation marks are symbols used to clarify meaning and structure in writing. Here are some examples:
* Period (.) - ends a sentence
* Comma (,) - separates items in a list, clauses, and phrases
* Question mark (?) - indicates a question
* Exclamation point (!) - indicates strong emotion
* Colon (:) - introduces a list or explanation
* Semicolon (;) - separates closely related independent clauses
* Apostrophe (') - indicates possession or contractions
If you're asking about the correct way to use punctuation in a sentence containing the word "room," provide the sentence and I can help you with the punctuation!