This text is about how to filter and search data using variables in Apollo Client, a popular GraphQL client library for React applications. The author of the post provides an example of how to set up queries that let you search and filter data using variables. The example uses a fictional API that returns a list of albums, and demonstrates how to use the `useQuery` hook to fetch data from the API, as well as how to update the query with new variables when the user types in the input field. The post also covers how to handle loading and error states, and provides tips for implementing searching and filtering on the backend using GraphQL APIs.