The CLF is a social movement; an equalizer for all school systems including children from government schools, private schools and madaris to address challenges of learning, reviving a culture of reading and generating content for textbooks and supplementary materials in the classrooms.
The hand is a non-SI unit of measurement of length standardized to 4 inches (101.6 mm).
22.8 centimeters. 9 inches. Used as a measure of length. A span is the width of a spread out human hand from the tip of the thumb to the tip of the pinky finger (Exodus 28:16, 1Samuel 17:4, Ezekiel 43:13).