* Searchable # Field content is tokenized and added to the full-text index (supports free-text queries). * Retrievable # Field values can be included in search results. * Sortable # Used for ordering results, not required here. * Facetable # Used for aggregation/filtering by categories, not required here. * Filterable # Used for structured filters (e.g., WHERE conditions), not required here. Reference: Azure Cognitive Search field attributes