Question mark [? ](also known as a question point, query or plot in Journalism) is a punctuation mark indicating a question clause or phrase in many languages. Question marks are not used for indirect questions. Question mark glyphs are also commonly used in place of missing or unknown data.

In English, a question mark usually appears at the end of a sentence, replacing a period with a question mark. However, a question mark may also appear at the end of a clause or phrase, replacing it with a comma:

How about the form? Style? meaning?