Comma. However, I am not an English teacher.
A semicolon or a comma can follow the word "however" in a sentence.
If you're referring to attachments in an email, etc., or where ever you may be using a list, a colon could be used, however, there is no rule about a certain punctuation mark that must be used after every time the word is used.
This is not a punctuation mark in standard English. This is more used in note-taking and formal logic. It is used to denote the word "therefore."
A possessive noun always uses an apostrophe to indicate possession. The abbreviation for a possessive is 's, added to the end of the noun.
No, it is a noun (a punctuation mark). The word is also used for a rhetorical device.
like this quick! the punctuation mark is the exclamination mark !
Well, in this sentence, a question mark.
Use periods to indicate that each letter in an abbreviation stands for a separate word.
period
a punctuation mark (-) used between parts of a compound word or between the syllables of a word when the word is divided at the end of a line of text
An apostrophe (') is used at the point where letters are removed from a contraction. For example the word "can't" - the apostrophe is placed in the word to take the place of the second n and the o from the word "not," since "can't" is contraction of "cannot."
A caret mark looks like this ^ and is used in editing. It is used when punctuation, ]a word or a phrase needs to be inserted into the document. Hash marks look like this #. That symbol is used in editing when a space needs to be inserted.