Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
An index card is card cut to a standard size used for recording individual items of information that can then be easily filed and rearranged. They were first used widely in the indexing- and taxonomy-mad Age of Victoria. Before the ubiquity of computer cataloguing, libraries indexed their collections with index cards.
