What are they called in American English? I would like to know what are the below signs called in American English, not in mathematics, just on keyboard. I only know few of them and I can't look them up in dictionary. ? = question mark _ = underscore ! = exclamation mark : = colon ; = semicolon < and > = ... / and \ = ... ( and ) = brackets ' = ... " = ... { and } = ... * = .... # = .... Thank you so much!

What's the difference of 'Sect' and 'Faction'? I am looking for a word in English to express a group of people using Martial Art in their own way, then I found these 2 words but confused which one is better. Thank you so much

V-ぬ and V-あん in Japanese For example: 許されない -> 許さん;　知らない -> 知らぬ I would like to know about the these types of Verbs. Do they have meaning of negation? What are the rules to change from V-る to V-ぬ and V-あん Thank you so much.

Simple Verb and "is to Verb" This is my first question and I hope that it is not a duplicated question. I have just seen a sentence "your arrival is to happen any time before 5 o'clock" I would like to know what different meaning between the above sentence and the sentence "your arrival happens any time before 5 o'clock" Thank you