Communication (from Latin commūnicāre, meaning "to share") is the act of conveying intended meanings from one entity or group to another through the use of mutually understood signs and semiotic rules. The basic steps of communication are: The study of communication can be divided into: * Information theory which studies the quantification, storage, and communication of information in general; * Communication studies which concerns human communication; * Biosemiotics which examines the communication of organisms in general.