"Custom queries" refers to personalized or specific requests for information or data. It means asking for specific information that is tailored to your needs or preferences. Full definition
In addition, a new advanced search page allows users to build and save custom queries across those same entities, as well as custom data fields. (lawsitesblog.com)
However, it's possible to create custom queries so you can call whatever content you like from the SQL database and run it through the WordPress Loop — the code used to display your WordPress posts — wherever you want on your site. (stemlegal.com)
We'd love to hear how you use custom queries on your own WordPress site — share your examples in the comments! (stemlegal.com)