List of Symbols with Their Usage

Comma: , – Used to separate parts of a sentence, lists, or numbers.
Full stop (Dot): . – Used to end a sentence or as a decimal separator in numbers.
Underscore: _ – Used in file names or to emphasize text.
Round brackets: ( ) – They delimit the end of an aside or note.
Colon: : – Introduces a list, quote, or emphasizes text.
Semicolon: ; – Separates related clauses or items in a list.
Question Mark: ? – Used at the end of a question.
Exclamation Mark: ! – Expresses emotion or emphasis.
Quotation Marks (double): " – Used to denote direct speech or a quotation.
Quotation Marks (single): ' – Highlights a word or term in text.
Square Bracket: [ ] – They delimit an annotation or technical note.
Forward Slash: / – Separates directories or represents division in fractions.
Backslash: // – Used in escape sequences or directory paths in Windows.
Dash: - – Represents a range (e.g., 10-15).
Hyphen: - – Joins compound words (e.g., self-made).
Asterisk or Times: * – Indicates a multiplication operation, or links to additional information.
Hash (Pound): # – Marks numbers (e.g., #1) or hashtags.
Ampersand: & – Represents "and" (e.g., in names).
Percent Sign: % – Denotes a fraction out of 100.
Plus: + – Used in mathematics or to signify addition.
Equal Sign: = – Indicates equality or assignment.
Less Than: < – Used in mathematics or programming (e.g., HTML tags).
Greater Than: > – Used in mathematics or to close HTML tags.
Curly Bracket (opening): { } – Starts and ends a block of code in programming.
Vertical Bar: | – Used as a logical operator or separator.
Tilde: ~ – Represents approximation (e.g., ~10).
Euro Sign: € – Denotes the euro currency.
Dollar Sign: $ – Denotes the dollar currency or is used in programming.
At Symbol: @ – Used in email addresses.
Caret: ^ – Indicates exponents or is used in regular expressions.
Grave Accent: ` – Highlights code or indicates pronunciation in some languages.