AUTHOR= Frontiers Production Office TITLE=Erratum: Refining concepts for empirical multimodal research: defining semiotic modes and semiotic resources JOURNAL=Frontiers in Communication VOLUME=9 YEAR=2024 URL=https://www.frontiersin.org/journals/communication/articles/10.3389/fcomm.2024.1412740 DOI=10.3389/fcomm.2024.1412740 ISSN=2297-900X