Interrogation point and Punctuation mark

Interrogation point noun - A punctuation mark (?) placed at the end of a sentence to indicate a question.

Punctuation mark and interrogation point are semantically related. In some cases you can use "Punctuation mark" instead a noun phrase "Interrogation point".

Punctuation mark noun - The marks used to clarify meaning by indicating separation of words into sentences and clauses and phrases.

Interrogation point and punctuation mark are semantically related. Sometimes you can replace phrase "Interrogation point" with "Punctuation mark", this phrases are similar.