Summarize this article in one sentence.
Open the Apple menu in the upper left and select “System Preferences”. This will take you to the Spotlight settings page. You will see a list of categories used by Spotlight search. Click and drag to reorder the categories. They will appear in order from top to bottom in your Spotlight searches (if there are relevant results) Deselect a checkbox to have Spotlight  stop searching that category or area of your computer.  Disable “Spotlight Suggestions” to stop Spotlight from including features such as news or app store results in your Spotlight search. Disable “Bing Results” to stop web search entirely. Spotlight will only search and return results for the local hard disk.

Summary:
Open System Preferences. Click “Spotlight”. Click the “Search Results” tab. Reorder search results. Filter out results.