Sign evolution on multiple time scales. Introductory comments
Th is thematic issue explores aspects of sign emergence, development and change. Rather than static entities, signs are approached as dynamic relations that grow, develop and change over time in response to various environmental, cognitive, social or biological factors.
SIGN SYSTEMS STUDIES. ISSN 1406-4243 (print), 1736-7409 (online). E-mail: email@example.com. Postal address: Sign Systems Studies, Dept. of Semiotics, University of Tartu, Jakobi St. 2, 51014 Tartu, Estonia