As a general rule, commas can be used to list items in a series, to join sentences and to set off parenthetical or introductory phrases (for commas in lists in sentence form, see Items in lists).
Recommended citation:
«Commas» [en línia]. A: Llibre d’estil de la Universitat de Barcelona. Barcelona: Universitat de Barcelona. Serveis Lingüístics. <https://www.ub.edu/llibre-estil/criteri.php?id=2306> [consulta: 21 novembre 2024].