You can find out a lot about how Konqueror works without needing to read this entire document if you take advantage of Tooltips and the feature.
When you hover the mouse pointer over a Toolbar or Sidebar tab button it should bring up a terse description of what that button does.
is invoked by the Menubar → item or by Shift+F1. It changes the cursor to show a question mark alongside the arrow.
When this question mark is visible, a , in which case it will display a reasonably comprehensive description of what the control does. Most of the dialog boxes that Konqueror brings up support the feature.mouse button click won't actually do anything until you have clicked on a control (or the text alongside it) that supports