Search can appear in different ways. And depending on where you are, the search will open to different possibilities.
No matter your search, the process is the same:
Type all or part of your search key (name, number, etc.) into the search line (Search settings or Search number in our examples below).
Use the Search by or Search in menu.
Click on Cancel to stop the search process.
The screen will refresh to show you your search results. Click on the result preferred.
Below are some examples:
Clicking on the icon above will open to a Settings search.
Clicking on the icon above will open to a Search number search:
Clicking on the icon above will open to a Messages search.