The answer to that is 21 days exactly, although you need to bear in mind that this can vary, depending on a number of circumstances. Generally speaking however, fertile chicken eggs which are hatched out by a hen will take 21 days before you see little faces staring at you from underneath their mamma's wings.
In linguistics, a register is a variety of a language used for a particular purpose or in a particular social setting.
Definition of tally for English Language Learners. : 1  a recorded count of scores, votes, etc. : 2  a record of money that has been paid and money that has been received. : 3  a score or point made in a game or sport.