Being able to easily find documentation is critical when programming. Cursive tries to show you all the doc you need everywhere you might need it.
When using a function, it’s often very useful to know the parameters it accepts. You can get a summary of them with Ctrl P (Cmd P on Mac). This popup will persist until you press Esc or the caret leaves the form.
You can also get the full documentation for the symbol under the cursor using Ctrl Q (Ctrl J on Mac).
If you really need to know what’s going on, you can even get the source code of the function using Ctrl Shift I (Cmd Y on Mac).
These popups are available in many places in the editor, for example in the autocompletion list:
And in the navigation bar: