Backward Slash Character Character of text typically used in text codes for addresses, used to separate elements in a path, and as a escape character in various programming languages.
Whitespace Unvisible characters of text, such as the space character, the tab character, carriage return characters, and new line characters.
Space Character Character of text typed by pressing the spacebar that simply adds an empty space to a line of text. It doesn't have a glyph that gets drawn in its place like other characters have.
Dash Character The dash (-), also called hyphen, or minus sign, is a character commonly found in text codes, specially as a substitute for the space character ( ) in contexts where spaces can't be used.