Click on the Search bar in the header, or use the keyboard shortcut:
Ctrl+K / Cmd+K
Type the keyword/concept you are looking for, such as correlation to see every module that mentions it, or narrow down with correlation table code to find only code sections.
The search cards show the module name.
Right below each search card, you will see clickable "RELATED" concepts, and
How many times the searched keyword/concept is mentioned in the same module.
Click that number to expand the results within that module.
Click on a search card to jump directly to that part on the module page.