| A | B |
| fragment | an incomplete or isolated piece of something |
| period | the punctuation mark "." that is used at the end of a sentence or in abbreviations. |
| semi-colon | a punctuation mark (;) used to separate parts of a sentence or list and indicating a pause longer than a comma but shorter than a period |
| colon | the punctuation mark (:) used to divide distinct but related elements, for example, clauses in which the second elaborates on the first, or to introduce a list, quotation, or speech |
| exclamation point or mark | a punctuation mark (!) used after an exclamation or interjection, and sometimes after a command |
| comma | a punctuation mark (,) that represents a slight pause in a sentence or is used to separate words and figures in a list |
| question mark | the punctuation mark (?) placed at the end of a sentence or phrase intended as a direct question. |
| quotation mark | either of a pair of punctuation marks, either in double ("") or single ('') form, used in printed or written English to mark the beginning and end of a quotation. |
| verb | a word used to show that an action is taking place, or to indicate the existence of a state or condition, or the part of speech to which such a word belongs |
| noun | a word or group of words used as the name of a class of people, places, or things, or of a particular person, place, or thing. |