Main Entry: 1da·ta
Pronunciation: \'da-t?, 'da- also 'dä-\
Function: noun plural but singular or plural in construction
1 : factual information (as measurements or statistics) used as a basis for reasoning, discussion, or calculation
2
: information output by a sensing device

Main Entry: cy·pher
Pronunciation: \'si-f?r\
Function: noun
1 : a method of transforming a text in order to conceal its meaning
2 : a combination of symbolic letters