the number of observations in a given statistical category

the ratio of the number of observations in a statistical category to the total number of observations

the number of occurrences within a given time period

the number of observations in a given statistical category

perfect or complete or pure

complete and without restriction or qualification; sometimes used informally as intensifiers

something that is conceived or that exists independently and not in relation to other things; something that does not depend on anything else and is beyond human control; something that is not relative

not capable of being violated or infringed

expressing finality with no implication of possible change