control character
code point in a character set, that does not represent a written symbol
non-printing character in word processors
formatting marks for content design
newline
special character in computing signifying the end of a line of text
bidirectional control character
non-printing character that controls the layout of bidirectional text
line feed
control character indicating the end of a line in a text file, considered as one of the 'blank characters' in a character set
tab
in computing, control character used to lay out data or as a delimiter between fields
carriage return
control character, or mechanism, used to reset a device's position to the beginning of a line of text
delete character
ASCII character number 127
page break
control character indicating the end of a page, considered as one of the 'blank characters' in a character set
null character
control character whose bits are all 0
Syriac abbreviation mark
Syriac format control character (U+070F), commonly noted “SAM”: marks the beginning of a Syriac abbreviation; its visible glyph extends above the following Syriac letters
Hangul filler
format control character chaeum, used to indicate the lack of a choseong (initial consonant) or jungseong (vowel) in Hangul syllable blocks
acknowledge character
Unicode character
enquiry character
transmission-control character that requests a response from the receiving station to see if it is still present; in ASCII, 0x05; in Unicode, U+0005
Synchronous Idle
ASCII control character 0x16, used in Teletype machines to provide a signal from which synchronous correction may be achieved between data terminal equipment
start of heading
Unicode character, not printable, symbolized by ␁