What does period of publication mean?

The period of publication refers to the specific timeframe during which a particular work, such as a book, article, or journal, is published and made available to the public. It often includes the start and end dates of publication, indicating how long the work was actively released or circulated. This term is particularly relevant for understanding the context and relevance of the content, especially in fields like academia and research where timeliness can affect the validity of information.