Control Pictures
Control Pictures is a Unicode block containing characters for graphically representing the C0 control codes, and other control characters. Its block name in Unicode 1.0 was Pictures for Control Codes.
Code points U+0000 NULL to U+0020 SPACE can be mapped onto their corresponding control picture by incrementing the code point by 0x2400. For example, the corresponding control picture for U+000A LINE FEED is
0x000A + 0x2400 = 0x240A.